52577758985 has 16 divisors (see below), whose sum is σ = 63230040720. Its totient is φ = 41971138560.

The previous prime is 52577758973. The next prime is 52577758991. The reversal of 52577758985 is 58985777525.

It can be written as a sum of positive squares in 8 ways, for example, as 183006784 + 52394752201 = 13528^2 + 228899^2 .

It is not a de Polignac number, because 52577758985 - 2⁴ = 52577758969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6691319 + ... + 6699171.

It is an arithmetic number, because the mean of its divisors is an integer number (3951877545).

Almost surely, 2^52577758985 is an apocalyptic number.

It is an amenable number.

52577758985 is a deficient number, since it is larger than the sum of its proper divisors (10652281735).

52577758985 is a wasteful number, since it uses less digits than its factorization.

52577758985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10588.

The product of its digits is 246960000, while the sum is 68.

The spelling of 52577758985 in words is "fifty-two billion, five hundred seventy-seven million, seven hundred fifty-eight thousand, nine hundred eighty-five".