51937968 has 40 divisors (see below), whose sum is σ = 134640688. Its totient is φ = 17252352.

The previous prime is 51937943. The next prime is 51937981. The reversal of 51937968 is 86973915.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13296 + ... + 16752.

Almost surely, 2^51937968 is an apocalyptic number.

It is an amenable number.

51937968 is an abundant number, since it is smaller than the sum of its proper divisors (82702720).

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

51937968 is a wasteful number, since it uses less digits than its factorization.

51937968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781 (or 3775 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 51937968 is about 7206.8001221069. The cubic root of 51937968 is about 373.1026366683.

The spelling of 51937968 in words is "fifty-one million, nine hundred thirty-seven thousand, nine hundred sixty-eight".