55712755065 has 32 divisors (see below), whose sum is σ = 100597334400. Its totient is φ = 26080785920.

The previous prime is 55712755051. The next prime is 55712755099. The reversal of 55712755065 is 56055721755.

It is not a de Polignac number, because 55712755065 - 2¹⁵ = 55712722297 is a prime.

It is a super-2 number, since 2×55712755065² (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 31 ways as a sum of consecutive naturals, for example, 5816820 + ... + 5826389.

It is an arithmetic number, because the mean of its divisors is an integer number (3143666700).

Almost surely, 2^55712755065 is an apocalyptic number.

55712755065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55712755065 is a deficient number, since it is larger than the sum of its proper divisors (44884579335).

55712755065 is a wasteful number, since it uses less digits than its factorization.

55712755065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11643257.

The product of its (nonzero) digits is 1837500, while the sum is 48.

The spelling of 55712755065 in words is "fifty-five billion, seven hundred twelve million, seven hundred fifty-five thousand, sixty-five".