55554983615 has 8 divisors (see below), whose sum is σ = 66679723968. Its totient is φ = 44434824480.

The previous prime is 55554983597. The next prime is 55554983669. The reversal of 55554983615 is 51638945555.

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

It is not a de Polignac number, because 55554983615 - 2⁶ = 55554983551 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1118567 + ... + 1167176.

It is an arithmetic number, because the mean of its divisors is an integer number (8334965496).

Almost surely, 2^55554983615 is an apocalyptic number.

55554983615 is a deficient number, since it is larger than the sum of its proper divisors (11124740353).

55554983615 is a wasteful number, since it uses less digits than its factorization.

55554983615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290609.

The product of its digits is 16200000, while the sum is 56.

The spelling of 55554983615 in words is "fifty-five billion, five hundred fifty-four million, nine hundred eighty-three thousand, six hundred fifteen".