51937472 has 14 divisors (see below), whose sum is σ = 103063548. Its totient is φ = 25968704.

The previous prime is 51937471. The next prime is 51937477. The reversal of 51937472 is 27473915.

It is not an unprimeable number, because it can be changed into a prime (51937471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405698 + ... + 405825.

It is an arithmetic number, because the mean of its divisors is an integer number (7361682).

Almost surely, 2^51937472 is an apocalyptic number.

It is an amenable number.

51937472 is a deficient number, since it is larger than the sum of its proper divisors (51126076).

51937472 is an equidigital number, since it uses as much as digits as its factorization.

51937472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811535 (or 811525 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 51937472 is about 7206.7657100810. The cubic root of 51937472 is about 373.1014489726.

The spelling of 51937472 in words is "fifty-one million, nine hundred thirty-seven thousand, four hundred seventy-two".