51437252 has 24 divisors (see below), whose sum is σ = 92797824. Its totient is φ = 24928992.

The previous prime is 51437251. The next prime is 51437263. The reversal of 51437252 is 25273415.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51437251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53843 + ... + 54789.

It is an arithmetic number, because the mean of its divisors is an integer number (3866576).

Almost surely, 2^51437252 is an apocalyptic number.

It is an amenable number.

51437252 is a deficient number, since it is larger than the sum of its proper divisors (41360572).

51437252 is a wasteful number, since it uses less digits than its factorization.

51437252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355 (or 1353 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 51437252 is about 7171.9768543966. The cubic root of 51437252 is about 371.8997783739.

The spelling of 51437252 in words is "fifty-one million, four hundred thirty-seven thousand, two hundred fifty-two".