54842172518 has 8 divisors (see below), whose sum is σ = 94015152912. Its totient is φ = 23503788216.

The previous prime is 54842172467. The next prime is 54842172521. The reversal of 54842172518 is 81527124845.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958649005 + ... + 1958649032.

It is an arithmetic number, because the mean of its divisors is an integer number (11751894114).

Almost surely, 2^54842172518 is an apocalyptic number.

54842172518 is a deficient number, since it is larger than the sum of its proper divisors (39172980394).

54842172518 is a wasteful number, since it uses less digits than its factorization.

54842172518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917298046.

The product of its digits is 716800, while the sum is 47.

The spelling of 54842172518 in words is "fifty-four billion, eight hundred forty-two million, one hundred seventy-two thousand, five hundred eighteen".