51764566 has 16 divisors (see below), whose sum is σ = 89030304. Its totient is φ = 22112064.

The previous prime is 51764563. The next prime is 51764593. The reversal of 51764566 is 66546715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51764563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1525 + ... + 10288.

It is an arithmetic number, because the mean of its divisors is an integer number (5564394).

Almost surely, 2^51764566 is an apocalyptic number.

51764566 is a deficient number, since it is larger than the sum of its proper divisors (37265738).

51764566 is a wasteful number, since it uses less digits than its factorization.

51764566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12135.

The product of its digits is 151200, while the sum is 40.

The square root of 51764566 is about 7194.7596207240. The cubic root of 51764566 is about 372.6869556846.

The spelling of 51764566 in words is "fifty-one million, seven hundred sixty-four thousand, five hundred sixty-six".