51575335400 has 48 divisors (see below), whose sum is σ = 119954822400. Its totient is φ = 20622879680.

The previous prime is 51575335391. The next prime is 51575335529. The reversal of 51575335400 is 453357515.

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, 543929 + ... + 631671.

It is an arithmetic number, because the mean of its divisors is an integer number (2499058800).

Almost surely, 2^51575335400 is an apocalyptic number.

51575335400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51575335400 is an abundant number, since it is smaller than the sum of its proper divisors (68379487000).

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

51575335400 is a wasteful number, since it uses less digits than its factorization.

51575335400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90698 (or 90689 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 38.

The spelling of 51575335400 in words is "fifty-one billion, five hundred seventy-five million, three hundred thirty-five thousand, four hundred".