51858932 has 12 divisors (see below), whose sum is σ = 92966916. Its totient is φ = 25296960.

The previous prime is 51858913. The next prime is 51858943. The reversal of 51858932 is 23985815.

It can be written as a sum of positive squares in 2 ways, for example, as 22221796 + 29637136 = 4714^2 + 5444^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 51858932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157943 + ... + 158270.

It is an arithmetic number, because the mean of its divisors is an integer number (7747243).

Almost surely, 2^51858932 is an apocalyptic number.

It is an amenable number.

51858932 is a deficient number, since it is larger than the sum of its proper divisors (41107984).

51858932 is a wasteful number, since it uses less digits than its factorization.

51858932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316258 (or 316256 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The square root of 51858932 is about 7201.3146022098. The cubic root of 51858932 is about 372.9132857192.

The spelling of 51858932 in words is "fifty-one million, eight hundred fifty-eight thousand, nine hundred thirty-two".