54507311516 has 12 divisors (see below), whose sum is σ = 109014623088. Its totient is φ = 23360276352.

The previous prime is 54507311489. The next prime is 54507311527. The reversal of 54507311516 is 61511370545.

It is a happy number.

54507311516 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 54507311516.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973344821 + ... + 973344876.

It is an arithmetic number, because the mean of its divisors is an integer number (9084551924).

Almost surely, 2^54507311516 is an apocalyptic number.

It is an amenable number.

54507311516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54507311516 is a wasteful number, since it uses less digits than its factorization.

54507311516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946689708 (or 1946689706 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 54507311516 in words is "fifty-four billion, five hundred seven million, three hundred eleven thousand, five hundred sixteen".