55105111056 has 40 divisors (see below), whose sum is σ = 143393973984. Its totient is φ = 18234292480.

The previous prime is 55105111043. The next prime is 55105111067. The reversal of 55105111056 is 65011150155.

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, 4183290 + ... + 4196441.

Almost surely, 2^55105111056 is an apocalyptic number.

It is an amenable number.

55105111056 is an abundant number, since it is smaller than the sum of its proper divisors (88288862928).

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

55105111056 is a wasteful number, since it uses less digits than its factorization.

55105111056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379879 (or 8379873 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 55105111056 in words is "fifty-five billion, one hundred five million, one hundred eleven thousand, fifty-six".