52057211565 has 32 divisors (see below), whose sum is σ = 83502679680. Its totient is φ = 27693553664.

The previous prime is 52057211539. The next prime is 52057211603. The reversal of 52057211565 is 56511275025.

It is a cyclic number.

It is not a de Polignac number, because 52057211565 - 2⁵ = 52057211533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18744457 + ... + 18747233.

It is an arithmetic number, because the mean of its divisors is an integer number (2609458740).

Almost surely, 2^52057211565 is an apocalyptic number.

It is an amenable number.

52057211565 is a deficient number, since it is larger than the sum of its proper divisors (31445468115).

52057211565 is a wasteful number, since it uses less digits than its factorization.

52057211565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501.

The product of its (nonzero) digits is 105000, while the sum is 39.

The spelling of 52057211565 in words is "fifty-two billion, fifty-seven million, two hundred eleven thousand, five hundred sixty-five".