52731556 has 12 divisors (see below), whose sum is σ = 94243968. Its totient is φ = 25804712.

The previous prime is 52731463. The next prime is 52731577. The reversal of 52731556 is 65513725.

It is a super-2 number, since 2×52731556² = 5561233996362272, which contains 22 as substring.

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, 140056 + ... + 140431.

It is an arithmetic number, because the mean of its divisors is an integer number (7853664).

Almost surely, 2^52731556 is an apocalyptic number.

It is an amenable number.

52731556 is a deficient number, since it is larger than the sum of its proper divisors (41512412).

52731556 is a wasteful number, since it uses less digits than its factorization.

52731556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280538 (or 280536 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 52731556 is about 7261.6496748328. The cubic root of 52731556 is about 374.9933178069.

The spelling of 52731556 in words is "fifty-two million, seven hundred thirty-one thousand, five hundred fifty-six".