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55422121014 = 232131511568521
BaseRepresentation
bin110011100111011010…
…100111010000110110
312022001110111110100200
4303213122213100312
51402001030333024
641243252221330
74001261153511
oct634732472066
9168043443320
1055422121014
11215603848a7
12a8a890a846
1352c31b6860
14297a8b3d78
1516958ce2c9
hexce76a7436

55422121014 has 48 divisors (see below), whose sum is σ = 130174777824. Its totient is φ = 16940016000.

The previous prime is 55422120983. The next prime is 55422121019. The reversal of 55422121014 is 41012122455.

It is a happy number.

55422121014 is a `hidden beast` number, since 5 + 542 + 2 + 12 + 101 + 4 = 666.

It is a super-2 number, since 2×554221210142 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55422121019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 748927 + ... + 819594.

It is an arithmetic number, because the mean of its divisors is an integer number (2711974538).

Almost surely, 255422121014 is an apocalyptic number.

55422121014 is an abundant number, since it is smaller than the sum of its proper divisors (74752656810).

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

55422121014 is a wasteful number, since it uses less digits than its factorization.

55422121014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568693 (or 1568690 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 55422121014 its reverse (41012122455), we get a palindrome (96434243469).

The spelling of 55422121014 in words is "fifty-five billion, four hundred twenty-two million, one hundred twenty-one thousand, fourteen".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 151 234 302 453 906 1359 1963 2718 3926 5889 11778 17667 35334 1568521 3137042 4705563 9411126 14116689 20390773 28233378 40781546 61172319 122344638 183516957 236846671 367033914 473693342 710540013 1421080026 2131620039 3079006723 4263240078 6158013446 9237020169 18474040338 27711060507 55422121014