51704912 has 40 divisors (see below), whose sum is σ = 118444800. Its totient is φ = 21393792.

The previous prime is 51704911. The next prime is 51704921. The reversal of 51704912 is 21940715.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51704911) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4712 + ... + 11207.

It is an arithmetic number, because the mean of its divisors is an integer number (2961120).

Almost surely, 2^51704912 is an apocalyptic number.

It is an amenable number.

51704912 is an abundant number, since it is smaller than the sum of its proper divisors (66739888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51704912 is a wasteful number, since it uses less digits than its factorization.

51704912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15963 (or 15957 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 51704912 is about 7190.6127694377. The cubic root of 51704912 is about 372.5437379388.

The spelling of 51704912 in words is "fifty-one million, seven hundred four thousand, nine hundred twelve".