51300521004 has 48 divisors (see below), whose sum is σ = 121933607040. Its totient is φ = 16782230400.

The previous prime is 51300521003. The next prime is 51300521011. The reversal of 51300521004 is 40012500315.

It is not an unprimeable number, because it can be changed into a prime (51300521003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365227 + ... + 485789.

It is an arithmetic number, because the mean of its divisors is an integer number (2540283480).

Almost surely, 2^51300521004 is an apocalyptic number.

It is an amenable number.

51300521004 is an abundant number, since it is smaller than the sum of its proper divisors (70633086036).

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

51300521004 is a wasteful number, since it uses less digits than its factorization.

51300521004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121230 (or 121228 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The spelling of 51300521004 in words is "fifty-one billion, three hundred million, five hundred twenty-one thousand, four".