51031502252 has 48 divisors (see below), whose sum is σ = 92985150720. Its totient is φ = 24479539200.

The previous prime is 51031502227. The next prime is 51031502293. The reversal of 51031502252 is 25220513015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6839708 + ... + 6847164.

It is an arithmetic number, because the mean of its divisors is an integer number (1937190640).

Almost surely, 2^51031502252 is an apocalyptic number.

It is an amenable number.

51031502252 is a deficient number, since it is larger than the sum of its proper divisors (41953648468).

51031502252 is a wasteful number, since it uses less digits than its factorization.

51031502252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7962 (or 7960 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 51031502252 in words is "fifty-one billion, thirty-one million, five hundred two thousand, two hundred fifty-two".