57953211065 has 32 divisors (see below), whose sum is σ = 70750713600. Its totient is φ = 45566337024.

The previous prime is 57953211059. The next prime is 57953211079. The reversal of 57953211065 is 56011235975.

It is a cyclic number.

It is not a de Polignac number, because 57953211065 - 2²⁶ = 57886102201 is a prime.

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, 61849277 + ... + 61850213.

It is an arithmetic number, because the mean of its divisors is an integer number (2210959800).

Almost surely, 2^57953211065 is an apocalyptic number.

It is an amenable number.

57953211065 is a deficient number, since it is larger than the sum of its proper divisors (12797502535).

57953211065 is a wasteful number, since it uses less digits than its factorization.

57953211065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841.

The product of its (nonzero) digits is 283500, while the sum is 44.

The spelling of 57953211065 in words is "fifty-seven billion, nine hundred fifty-three million, two hundred eleven thousand, sixty-five".