51037502472 has 96 divisors (see below), whose sum is σ = 150849578880. Its totient is φ = 15460068480.

The previous prime is 51037502431. The next prime is 51037502489. The reversal of 51037502472 is 27420573015.

51037502472 is a `hidden beast` number, since 5 + 103 + 7 + 502 + 47 + 2 = 666.

It is a super-2 number, since 2×51037502472² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2383558 + ... + 2404874.

It is an arithmetic number, because the mean of its divisors is an integer number (1571349780).

Almost surely, 2^51037502472 is an apocalyptic number.

It is an amenable number.

51037502472 is an abundant number, since it is smaller than the sum of its proper divisors (99812076408).

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

51037502472 is a wasteful number, since it uses less digits than its factorization.

51037502472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24363 (or 24356 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 51037502472 in words is "fifty-one billion, thirty-seven million, five hundred two thousand, four hundred seventy-two".