52597377856 has 28 divisors (see below), whose sum is σ = 106083961060. Its totient is φ = 25867560960.

The previous prime is 52597377841. The next prime is 52597377857. The reversal of 52597377856 is 65877379525.

It can be written as a sum of positive squares in 2 ways, for example, as 11638094400 + 40959283456 = 107880^2 + 202384^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52597377857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6732441 + ... + 6740248.

It is an arithmetic number, because the mean of its divisors is an integer number (3788712895).

Almost surely, 2^52597377856 is an apocalyptic number.

It is an amenable number.

52597377856 is an abundant number, since it is smaller than the sum of its proper divisors (53486583204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52597377856 is a wasteful number, since it uses less digits than its factorization.

52597377856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13472762 (or 13472752 counting only the distinct ones).

The product of its digits is 111132000, while the sum is 64.

The spelling of 52597377856 in words is "fifty-two billion, five hundred ninety-seven million, three hundred seventy-seven thousand, eight hundred fifty-six".