51957264 has 20 divisors (see below), whose sum is σ = 134223056. Its totient is φ = 17319072.

The previous prime is 51957233. The next prime is 51957277. The reversal of 51957264 is 46275915.

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, 541174 + ... + 541269.

Almost surely, 2^51957264 is an apocalyptic number.

It is an amenable number.

51957264 is an abundant number, since it is smaller than the sum of its proper divisors (82265792).

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

51957264 is a wasteful number, since it uses less digits than its factorization.

51957264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082454 (or 1082448 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 51957264 is about 7208.1387334041. The cubic root of 51957264 is about 373.1488359926.

The spelling of 51957264 in words is "fifty-one million, nine hundred fifty-seven thousand, two hundred sixty-four".