51900772 has 36 divisors (see below), whose sum is σ = 114103360. Its totient is φ = 20219760.

The previous prime is 51900767. The next prime is 51900781. The reversal of 51900772 is 27700915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4272 + ... + 11047.

Almost surely, 2^51900772 is an apocalyptic number.

It is an amenable number.

51900772 is an abundant number, since it is smaller than the sum of its proper divisors (62202588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51900772 is a wasteful number, since it uses less digits than its factorization.

51900772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15352 (or 15339 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 51900772 is about 7204.2190416450. The cubic root of 51900772 is about 373.0135480851.

The spelling of 51900772 in words is "fifty-one million, nine hundred thousand, seven hundred seventy-two".