51923766 has 32 divisors (see below), whose sum is σ = 105412608. Its totient is φ = 17049600.

The previous prime is 51923759. The next prime is 51923779. The reversal of 51923766 is 66732915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201910 + ... + 202166.

It is an arithmetic number, because the mean of its divisors is an integer number (3294144).

Almost surely, 2^51923766 is an apocalyptic number.

51923766 is an abundant number, since it is smaller than the sum of its proper divisors (53488842).

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

51923766 is a wasteful number, since it uses less digits than its factorization.

51923766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636.

The product of its digits is 68040, while the sum is 39.

The square root of 51923766 is about 7205.8147353370. The cubic root of 51923766 is about 373.0686263100.

The spelling of 51923766 in words is "fifty-one million, nine hundred twenty-three thousand, seven hundred sixty-six".