53302564 has 24 divisors (see below), whose sum is σ = 107959040. Its totient is φ = 22553856.

The previous prime is 53302553. The next prime is 53302597. The reversal of 53302564 is 46520335.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9837 + ... + 14260.

Almost surely, 2^53302564 is an apocalyptic number.

It is an amenable number.

53302564 is an abundant number, since it is smaller than the sum of its proper divisors (54656476).

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

53302564 is a wasteful number, since it uses less digits than its factorization.

53302564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24187 (or 24185 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 53302564 is about 7300.8604972291. The cubic root of 53302564 is about 376.3420099991.

Adding to 53302564 its reverse (46520335), we get a palindrome (99822899).

The spelling of 53302564 in words is "fifty-three million, three hundred two thousand, five hundred sixty-four".