55105600551656 has 32 divisors (see below), whose sum is σ = 103592944526400. Its totient is φ = 27480844997760.

The previous prime is 55105600551643. The next prime is 55105600551691. The reversal of 55105600551656 is 65615500650155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13035341 + ... + 16737123.

It is an arithmetic number, because the mean of its divisors is an integer number (3237279516450).

Almost surely, 2^{55105600551656} is an apocalyptic number.

It is an amenable number.

55105600551656 is a deficient number, since it is larger than the sum of its proper divisors (48487343974744).

55105600551656 is a wasteful number, since it uses less digits than its factorization.

55105600551656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706649 (or 3706645 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 50.

The spelling of 55105600551656 in words is "fifty-five trillion, one hundred five billion, six hundred million, five hundred fifty-one thousand, six hundred fifty-six".