51804572 has 12 divisors (see below), whose sum is σ = 90769560. Its totient is φ = 25870416.

The previous prime is 51804563. The next prime is 51804587. The reversal of 51804572 is 27540815.

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, 4103 + ... + 10974.

It is an arithmetic number, because the mean of its divisors is an integer number (7564130).

Almost surely, 2^51804572 is an apocalyptic number.

It is an amenable number.

51804572 is a deficient number, since it is larger than the sum of its proper divisors (38964988).

51804572 is a wasteful number, since it uses less digits than its factorization.

51804572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15940 (or 15938 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 51804572 is about 7197.5393017336. The cubic root of 51804572 is about 372.7829407453.

The spelling of 51804572 in words is "fifty-one million, eight hundred four thousand, five hundred seventy-two".