51370752 has 36 divisors (see below), whose sum is σ = 136723160. Its totient is φ = 17123328.

The previous prime is 51370747. The next prime is 51370783. The reversal of 51370752 is 25707315.

It is a super-2 number, since 2×51370752² = 5277908322091008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32677 + ... + 34212.

Almost surely, 2^51370752 is an apocalyptic number.

It is an amenable number.

51370752 is an abundant number, since it is smaller than the sum of its proper divisors (85352408).

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

51370752 is an equidigital number, since it uses as much as digits as its factorization.

51370752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66908 (or 66894 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 51370752 is about 7167.3392552606. The cubic root of 51370752 is about 371.7394406172.

The spelling of 51370752 in words is "fifty-one million, three hundred seventy thousand, seven hundred fifty-two".