51932472 has 64 divisors (see below), whose sum is σ = 138979200. Its totient is φ = 16122240.

The previous prime is 51932443. The next prime is 51932537. The reversal of 51932472 is 27423915.

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, 26883 + ... + 28749.

It is an arithmetic number, because the mean of its divisors is an integer number (2171550).

Almost surely, 2^51932472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51932472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69489600).

51932472 is an abundant number, since it is smaller than the sum of its proper divisors (87046728).

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

51932472 is a wasteful number, since it uses less digits than its factorization.

51932472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956 (or 1952 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 51932472 is about 7206.4188054817. The cubic root of 51932472 is about 373.0894758118.

The spelling of 51932472 in words is "fifty-one million, nine hundred thirty-two thousand, four hundred seventy-two".