51331960 has 32 divisors (see below), whose sum is σ = 116220240. Its totient is φ = 20404224.

The previous prime is 51331949. The next prime is 51331961. The reversal of 51331960 is 6913315.

51331960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51331961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2584 + ... + 10456.

Almost surely, 2^51331960 is an apocalyptic number.

It is an amenable number.

51331960 is an abundant number, since it is smaller than the sum of its proper divisors (64888280).

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

51331960 is a wasteful number, since it uses less digits than its factorization.

51331960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8047 (or 8043 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 51331960 is about 7164.6325795535. The cubic root of 51331960 is about 371.6458455450.

The spelling of 51331960 in words is "fifty-one million, three hundred thirty-one thousand, nine hundred sixty".