51364856 has 16 divisors (see below), whose sum is σ = 96539040. Its totient is φ = 25621120.

The previous prime is 51364853. The next prime is 51364889. The reversal of 51364856 is 65846315.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51364853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4001 + ... + 10896.

It is an arithmetic number, because the mean of its divisors is an integer number (6033690).

Almost surely, 2^51364856 is an apocalyptic number.

It is an amenable number.

51364856 is a deficient number, since it is larger than the sum of its proper divisors (45174184).

51364856 is a wasteful number, since it uses less digits than its factorization.

51364856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15334 (or 15330 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 51364856 is about 7166.9279332222. The cubic root of 51364856 is about 371.7252181299.

The spelling of 51364856 in words is "fifty-one million, three hundred sixty-four thousand, eight hundred fifty-six".