51536504 has 8 divisors (see below), whose sum is σ = 96630960. Its totient is φ = 25768248.

The previous prime is 51536483. The next prime is 51536533. The reversal of 51536504 is 40563515.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51536504² = 5312022489084032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221024 + ... + 3221039.

It is an arithmetic number, because the mean of its divisors is an integer number (12078870).

Almost surely, 2^51536504 is an apocalyptic number.

It is an amenable number.

51536504 is a deficient number, since it is larger than the sum of its proper divisors (45094456).

51536504 is a wasteful number, since it uses less digits than its factorization.

51536504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442069 (or 6442065 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 51536504 is about 7178.8929508664. The cubic root of 51536504 is about 372.1388274381.

The spelling of 51536504 in words is "fifty-one million, five hundred thirty-six thousand, five hundred four".