54018718634 has 4 divisors (see below), whose sum is σ = 81028077954. Its totient is φ = 27009359316.

The previous prime is 54018718609. The next prime is 54018718657. The reversal of 54018718634 is 43681781045.

54018718634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44248384609 + 9770334025 = 210353^2 + 98845^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13504679657 + ... + 13504679660.

Almost surely, 2^54018718634 is an apocalyptic number.

54018718634 is a deficient number, since it is larger than the sum of its proper divisors (27009359320).

54018718634 is a wasteful number, since it uses less digits than its factorization.

54018718634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27009359319.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 54018718634 in words is "fifty-four billion, eighteen million, seven hundred eighteen thousand, six hundred thirty-four".