51118932 has 24 divisors (see below), whose sum is σ = 126294336. Its totient is φ = 16037248.

The previous prime is 51118931. The next prime is 51118933. The reversal of 51118932 is 23981115.

It is an interprime number because it is at equal distance from previous prime (51118931) and next prime (51118933).

It is a super-2 number, since 2×51118932² = 5226290417641248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51118932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51118931) 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, 125088 + ... + 125495.

It is an arithmetic number, because the mean of its divisors is an integer number (5262264).

Almost surely, 2^51118932 is an apocalyptic number.

It is an amenable number.

51118932 is an abundant number, since it is smaller than the sum of its proper divisors (75175404).

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

51118932 is a wasteful number, since it uses less digits than its factorization.

51118932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250607 (or 250605 counting only the distinct ones).

The product of its digits is 2160, while the sum is 30.

The square root of 51118932 is about 7149.7504851568. The cubic root of 51118932 is about 371.1310217431.

The spelling of 51118932 in words is "fifty-one million, one hundred eighteen thousand, nine hundred thirty-two".