51631852 has 6 divisors (see below), whose sum is σ = 90355748. Its totient is φ = 25815924.

The previous prime is 51631829. The next prime is 51631871. The reversal of 51631852 is 25813615.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453978 + ... + 6453985.

Almost surely, 2^51631852 is an apocalyptic number.

It is an amenable number.

51631852 is a deficient number, since it is larger than the sum of its proper divisors (38723896).

51631852 is a wasteful number, since it uses less digits than its factorization.

51631852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12907967 (or 12907965 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 51631852 is about 7185.5307389225. The cubic root of 51631852 is about 372.3681848216.

The spelling of 51631852 in words is "fifty-one million, six hundred thirty-one thousand, eight hundred fifty-two".