54516987715 has 8 divisors (see below), whose sum is σ = 65432753568. Its totient is φ = 43605344640.

The previous prime is 54516987709. The next prime is 54516987739. The reversal of 54516987715 is 51778961545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54516987715 - 2⁷ = 54516987587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54516987715.

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, 1001526 + ... + 1054555.

It is an arithmetic number, because the mean of its divisors is an integer number (8179094196).

Almost surely, 2^54516987715 is an apocalyptic number.

54516987715 is a deficient number, since it is larger than the sum of its proper divisors (10915765853).

54516987715 is a wasteful number, since it uses less digits than its factorization.

54516987715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061389.

The product of its digits is 10584000, while the sum is 58.

The spelling of 54516987715 in words is "fifty-four billion, five hundred sixteen million, nine hundred eighty-seven thousand, seven hundred fifteen".