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55422332244 = 2234397430873
BaseRepresentation
bin110011100111011011…
…011010110101010100
312022001110220012010000
4303213123122311110
51402001104112434
641243300531300
74001263023366
oct634733326524
9168043805100
1055422332244
1121560509574
12a8a89b0b30
1352c325ba46
14297a92ad36
151695921b99
hexce76dad54

55422332244 has 60 divisors (see below), whose sum is σ = 145250210644. Its totient is φ = 18427533696.

The previous prime is 55422332243. The next prime is 55422332249. The reversal of 55422332244 is 44223322455.

55422332244 is a `hidden beast` number, since 5 + 5 + 422 + 3 + 3 + 224 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42291922500 + 13130409744 = 205650^2 + 114588^2 .

It is a super-2 number, since 2×554223322442 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 55422332199 and 55422332208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55422332243) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 86809 + ... + 344064.

Almost surely, 255422332244 is an apocalyptic number.

55422332244 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55422332244 is an abundant number, since it is smaller than the sum of its proper divisors (89827878400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55422332244 is a wasteful number, since it uses less digits than its factorization.

55422332244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431286 (or 431275 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

Adding to 55422332244 its reverse (44223322455), we get a palindrome (99645654699).

The spelling of 55422332244 in words is "fifty-five billion, four hundred twenty-two million, three hundred thirty-two thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 397 794 1191 1588 2382 3573 4764 7146 10719 14292 21438 32157 42876 64314 128628 430873 861746 1292619 1723492 2585238 3877857 5170476 7755714 11633571 15511428 23267142 34900713 46534284 69801426 139602852 171056581 342113162 513169743 684226324 1026339486 1539509229 2052678972 3079018458 4618527687 6158036916 9237055374 13855583061 18474110748 27711166122 55422332244