52564695552 has 160 divisors (see below), whose sum is σ = 156533731200. Its totient is φ = 17415880704.

The previous prime is 52564695541. The next prime is 52564695563. The reversal of 52564695552 is 25559646525.

It is a happy number.

52564695552 is a `hidden beast` number, since 5 + 25 + 6 + 4 + 69 + 5 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (52564695541) and next prime (52564695563).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2297224 + ... + 2319992.

It is an arithmetic number, because the mean of its divisors is an integer number (978335820).

Almost surely, 2^52564695552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52564695552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78266865600).

52564695552 is an abundant number, since it is smaller than the sum of its proper divisors (103969035648).

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

52564695552 is a wasteful number, since it uses less digits than its factorization.

52564695552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22963 (or 22941 counting only the distinct ones).

The product of its digits is 16200000, while the sum is 54.

The spelling of 52564695552 in words is "fifty-two billion, five hundred sixty-four million, six hundred ninety-five thousand, five hundred fifty-two".