51972596496 has 60 divisors (see below), whose sum is σ = 145486225612. Its totient is φ = 17320013568.

The previous prime is 51972596443. The next prime is 51972596497. The reversal of 51972596496 is 69469527915.

51972596496 is a `hidden beast` number, since 5 + 1 + 97 + 2 + 59 + 6 + 496 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25837347600 + 26135248896 = 160740^2 + 161664^2 .

It is not an unprimeable number, because it can be changed into a prime (51972596497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 585990 + ... + 668826.

Almost surely, 2^51972596496 is an apocalyptic number.

It is an amenable number.

51972596496 is an abundant number, since it is smaller than the sum of its proper divisors (93513629116).

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

51972596496 is a wasteful number, since it uses less digits than its factorization.

51972596496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87208 (or 87199 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 63.

The spelling of 51972596496 in words is "fifty-one billion, nine hundred seventy-two million, five hundred ninety-six thousand, four hundred ninety-six".