55556610156 has 30 divisors (see below), whose sum is σ = 145235953940. Its totient is φ = 18518869944.

The previous prime is 55556610143. The next prime is 55556610203. The reversal of 55556610156 is 65101665555.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 85735186 + ... + 85735833.

Almost surely, 2^55556610156 is an apocalyptic number.

It is an amenable number.

55556610156 is an abundant number, since it is smaller than the sum of its proper divisors (89679343784).

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

55556610156 is a wasteful number, since it uses less digits than its factorization.

55556610156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171471035 (or 171471024 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 55556610156 in words is "fifty-five billion, five hundred fifty-six million, six hundred ten thousand, one hundred fifty-six".