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55050430632 = 23323859116099
BaseRepresentation
bin110011010001010000…
…101110100010101000
312021002120002122000020
4303101100232202220
51400220402240012
641142333440440
73656125640211
oct632120564250
9167076078006
1055050430632
112138a59536a
12a804340120
1352641a7a12
14294339c408
151672e5da8c
hexcd142e8a8

55050430632 has 64 divisors (see below), whose sum is σ = 143778240000. Its totient is φ = 17531726784.

The previous prime is 55050430613. The next prime is 55050430667. The reversal of 55050430632 is 23603405055.

It is a junction number, because it is equal to n+sod(n) for n = 55050430593 and 55050430602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416119 + ... + 532217.

It is an arithmetic number, because the mean of its divisors is an integer number (2246535000).

Almost surely, 255050430632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55050430632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71889120000).

55050430632 is an abundant number, since it is smaller than the sum of its proper divisors (88727809368).

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

55050430632 is a wasteful number, since it uses less digits than its factorization.

55050430632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116990 (or 116986 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 55050430632 its reverse (23603405055), we get a palindrome (78653835687).

The spelling of 55050430632 in words is "fifty-five billion, fifty million, four hundred thirty thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 859 1718 2577 3436 5154 6872 10308 19757 20616 39514 59271 79028 116099 118542 158056 232198 237084 348297 464396 474168 696594 928792 1393188 2670277 2786376 5340554 8010831 10681108 16021662 21362216 32043324 64086648 99729041 199458082 299187123 398916164 598374246 797832328 1196748492 2293767943 2393496984 4587535886 6881303829 9175071772 13762607658 18350143544 27525215316 55050430632