52565504 has 20 divisors (see below), whose sum is σ = 105029364. Its totient is φ = 26282496.

The previous prime is 52565473. The next prime is 52565509. The reversal of 52565504 is 40556525.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52565509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50822 + ... + 51845.

Almost surely, 2^52565504 is an apocalyptic number.

It is an amenable number.

52565504 is a deficient number, since it is larger than the sum of its proper divisors (52463860).

52565504 is an equidigital number, since it uses as much as digits as its factorization.

52565504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102685 (or 102669 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 52565504 is about 7250.2071694538. The cubic root of 52565504 is about 374.5992851446.

The spelling of 52565504 in words is "fifty-two million, five hundred sixty-five thousand, five hundred four".