52536564 has 36 divisors (see below), whose sum is σ = 134124900. Its totient is φ = 17337600.

The previous prime is 52536563. The next prime is 52536569. The reversal of 52536564 is 46563525.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51236964 + 1299600 = 7158^2 + 1140^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52536563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3589 + ... + 10860.

Almost surely, 2^52536564 is an apocalyptic number.

It is an amenable number.

52536564 is an abundant number, since it is smaller than the sum of its proper divisors (81588336).

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

52536564 is a wasteful number, since it uses less digits than its factorization.

52536564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14560 (or 14555 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 52536564 is about 7248.2110896414. The cubic root of 52536564 is about 374.5305271660.

The spelling of 52536564 in words is "fifty-two million, five hundred thirty-six thousand, five hundred sixty-four".