52731504 has 60 divisors (see below), whose sum is σ = 168660336. Its totient is φ = 15065856.

The previous prime is 52731463. The next prime is 52731577. The reversal of 52731504 is 40513725.

It is a happy number.

It is a super-2 number, since 2×52731504² = 5561223028204032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25149 + ... + 27164.

Almost surely, 2^52731504 is an apocalyptic number.

It is an amenable number.

52731504 is an abundant number, since it is smaller than the sum of its proper divisors (115928832).

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

52731504 is a wasteful number, since it uses less digits than its factorization.

52731504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52334 (or 52325 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 52731504 is about 7261.6460943783. The cubic root of 52731504 is about 374.9931945432.

It can be divided in two parts, 52731 and 504, that added together give a palindrome (53235).

The spelling of 52731504 in words is "fifty-two million, seven hundred thirty-one thousand, five hundred four".