52564216 has 8 divisors (see below), whose sum is σ = 98557920. Its totient is φ = 26282104.

The previous prime is 52564207. The next prime is 52564217. The reversal of 52564216 is 61246525.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52564217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3285256 + ... + 3285271.

It is an arithmetic number, because the mean of its divisors is an integer number (12319740).

Almost surely, 2^52564216 is an apocalyptic number.

It is an amenable number.

52564216 is a deficient number, since it is larger than the sum of its proper divisors (45993704).

52564216 is a wasteful number, since it uses less digits than its factorization.

52564216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570533 (or 6570529 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 52564216 is about 7250.1183438617. The cubic root of 52564216 is about 374.5962255474.

The spelling of 52564216 in words is "fifty-two million, five hundred sixty-four thousand, two hundred sixteen".