52690764 has 24 divisors (see below), whose sum is σ = 140508928. Its totient is φ = 15054480.

The previous prime is 52690741. The next prime is 52690787. The reversal of 52690764 is 46709625.

It is an interprime number because it is at equal distance from previous prime (52690741) and next prime (52690787).

It is a super-2 number, since 2×52690764² = 5552633221807392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 313552 + ... + 313719.

Almost surely, 2^52690764 is an apocalyptic number.

It is an amenable number.

52690764 is an abundant number, since it is smaller than the sum of its proper divisors (87818164).

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

52690764 is a wasteful number, since it uses less digits than its factorization.

52690764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627285 (or 627283 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 52690764 is about 7258.8404032600. The cubic root of 52690764 is about 374.8965972681.

The spelling of 52690764 in words is "fifty-two million, six hundred ninety thousand, seven hundred sixty-four".