51416730545572 has 24 divisors (see below), whose sum is σ = 106379442509760. Its totient is φ = 21275888501280.

The previous prime is 51416730545507. The next prime is 51416730545723. The reversal of 51416730545572 is 27554503761415.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31660547554 + ... + 31660549177.

It is an arithmetic number, because the mean of its divisors is an integer number (4432476771240).

Almost surely, 2^{51416730545572} is an apocalyptic number.

It is an amenable number.

51416730545572 is an abundant number, since it is smaller than the sum of its proper divisors (54962711964188).

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

51416730545572 is a wasteful number, since it uses less digits than its factorization.

51416730545572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63321096771 (or 63321096769 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 55.

The spelling of 51416730545572 in words is "fifty-one trillion, four hundred sixteen billion, seven hundred thirty million, five hundred forty-five thousand, five hundred seventy-two".