51804364 has 12 divisors (see below), whose sum is σ = 90708688. Its totient is φ = 25887600.

The previous prime is 51804359. The next prime is 51804391. The reversal of 51804364 is 46340815.

It is a happy number.

51804364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×51804364³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10129 + ... + 14359.

Almost surely, 2^51804364 is an apocalyptic number.

It is an amenable number.

51804364 is a deficient number, since it is larger than the sum of its proper divisors (38904324).

51804364 is a wasteful number, since it uses less digits than its factorization.

51804364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7296 (or 7294 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 51804364 is about 7197.5248523364. The cubic root of 51804364 is about 372.7824418257.

The spelling of 51804364 in words is "fifty-one million, eight hundred four thousand, three hundred sixty-four".