54511515621316 has 96 divisors (see below), whose sum is σ = 110849665449600. Its totient is φ = 23239767075840.

The previous prime is 54511515621289. The next prime is 54511515621391. The reversal of 54511515621316 is 61312651511545.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23045886 + ... + 25300906.

It is an arithmetic number, because the mean of its divisors is an integer number (1154684015100).

Almost surely, 2^{54511515621316} is an apocalyptic number.

It is an amenable number.

54511515621316 is an abundant number, since it is smaller than the sum of its proper divisors (56338149828284).

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

54511515621316 is a wasteful number, since it uses less digits than its factorization.

54511515621316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255669 (or 2255667 counting only the distinct ones).

The product of its digits is 540000, while the sum is 46.

The spelling of 54511515621316 in words is "fifty-four trillion, five hundred eleven billion, five hundred fifteen million, six hundred twenty-one thousand, three hundred sixteen".