51492752 has 20 divisors (see below), whose sum is σ = 102464796. Its totient is φ = 25050240.

The previous prime is 51492739. The next prime is 51492757. The reversal of 51492752 is 25729415.

It can be written as a sum of positive squares in 2 ways, for example, as 26050816 + 25441936 = 5104^2 + 5044^2 .

It is not an unprimeable number, because it can be changed into a prime (51492757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42899 + ... + 44082.

Almost surely, 2^51492752 is an apocalyptic number.

It is an amenable number.

51492752 is a deficient number, since it is larger than the sum of its proper divisors (50972044).

51492752 is a wasteful number, since it uses less digits than its factorization.

51492752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87026 (or 87020 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 51492752 is about 7175.8450373458. The cubic root of 51492752 is about 372.0334883330.

The spelling of 51492752 in words is "fifty-one million, four hundred ninety-two thousand, seven hundred fifty-two".