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55112532401 = 1991873147863
BaseRepresentation
bin110011010100111101…
…101000000110110001
312021020212221201121202
4303110331220012301
51400332302014101
641152432500545
73660511540013
oct632475500661
9167225851552
1055112532401
1121411651343
12a8210aa755
13527400c524
14294b7261b3
15167862936b
hexcd4f681b1

55112532401 has 8 divisors (see below), whose sum is σ = 55419427200. Its totient is φ = 54805937472.

The previous prime is 55112532383. The next prime is 55112532451. The reversal of 55112532401 is 10423521155.

55112532401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55112532401 - 210 = 55112531377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55112532451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298796 + ... + 446658.

It is an arithmetic number, because the mean of its divisors is an integer number (6927428400).

Almost surely, 255112532401 is an apocalyptic number.

It is an amenable number.

55112532401 is a deficient number, since it is larger than the sum of its proper divisors (306894799).

55112532401 is a wasteful number, since it uses less digits than its factorization.

55112532401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149935.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 55112532401 in words is "fifty-five billion, one hundred twelve million, five hundred thirty-two thousand, four hundred one".

Divisors: 1 199 1873 147863 372727 29424737 276947399 55112532401