52509696 has 44 divisors (see below), whose sum is σ = 139965672. Its totient is φ = 17502208.

The previous prime is 52509659. The next prime is 52509707. The reversal of 52509696 is 69690525.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5475 + ... + 11618.

It is an arithmetic number, because the mean of its divisors is an integer number (3181038).

Almost surely, 2^52509696 is an apocalyptic number.

It is an amenable number.

52509696 is an abundant number, since it is smaller than the sum of its proper divisors (87455976).

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

52509696 is a wasteful number, since it uses less digits than its factorization.

52509696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17116 (or 17098 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 52509696 is about 7246.3574297712. The cubic root of 52509696 is about 374.4666694044.

The spelling of 52509696 in words is "fifty-two million, five hundred nine thousand, six hundred ninety-six".