55005560512 has 56 divisors (see below), whose sum is σ = 124768603904. Its totient is φ = 23569304832.

The previous prime is 55005560509. The next prime is 55005560531. The reversal of 55005560512 is 21506550055.

55005560512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×55005560512² (a number of 22 digits) contains 22 as substring.

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, 3516613 + ... + 3532219.

It is an arithmetic number, because the mean of its divisors is an integer number (2228010784).

Almost surely, 2^55005560512 is an apocalyptic number.

It is an amenable number.

55005560512 is an abundant number, since it is smaller than the sum of its proper divisors (69763043392).

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

55005560512 is a wasteful number, since it uses less digits than its factorization.

55005560512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23493 (or 23483 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 55005560512 in words is "fifty-five billion, five million, five hundred sixty thousand, five hundred twelve".