54518715 has 24 divisors (see below), whose sum is σ = 96286320. Its totient is φ = 28526784.

The previous prime is 54518707. The next prime is 54518741. The reversal of 54518715 is 51781545.

It is not a de Polignac number, because 54518715 - 2³ = 54518707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54518715.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9045 + ... + 13814.

It is an arithmetic number, because the mean of its divisors is an integer number (4011930).

Almost surely, 2^54518715 is an apocalyptic number.

54518715 is a deficient number, since it is larger than the sum of its proper divisors (41767605).

54518715 is a wasteful number, since it uses less digits than its factorization.

54518715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22923 (or 22920 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 54518715 is about 7383.6789610600. The cubic root of 54518715 is about 379.1827194964.

The spelling of 54518715 in words is "fifty-four million, five hundred eighteen thousand, seven hundred fifteen".