55500056565 has 32 divisors (see below), whose sum is σ = 89538554496. Its totient is φ = 29354607360.

The previous prime is 55500056561. The next prime is 55500056567. The reversal of 55500056565 is 56565000555.

It is not a de Polignac number, because 55500056565 - 2² = 55500056561 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500056561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1209135 + ... + 1254195.

It is an arithmetic number, because the mean of its divisors is an integer number (2798079828).

Almost surely, 2^55500056565 is an apocalyptic number.

It is an amenable number.

55500056565 is a deficient number, since it is larger than the sum of its proper divisors (34038497931).

55500056565 is a wasteful number, since it uses less digits than its factorization.

55500056565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45749.

The product of its (nonzero) digits is 562500, while the sum is 42.

The spelling of 55500056565 in words is "fifty-five billion, five hundred million, fifty-six thousand, five hundred sixty-five".