51704764 has 12 divisors (see below), whose sum is σ = 91362544. Its totient is φ = 25601184.

The previous prime is 51704761. The next prime is 51704773. The reversal of 51704764 is 46740715.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51704761) 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, 62337 + ... + 63160.

Almost surely, 2^51704764 is an apocalyptic number.

It is an amenable number.

51704764 is a deficient number, since it is larger than the sum of its proper divisors (39657780).

51704764 is a wasteful number, since it uses less digits than its factorization.

51704764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125604 (or 125602 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 51704764 is about 7190.6024782350. The cubic root of 51704764 is about 372.5433824824.

The spelling of 51704764 in words is "fifty-one million, seven hundred four thousand, seven hundred sixty-four".