54618812679 has 4 divisors (see below), whose sum is σ = 72825083576. Its totient is φ = 36412541784.

The previous prime is 54618812639. The next prime is 54618812681. The reversal of 54618812679 is 97621881645.

54618812679 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 is not a de Polignac number, because 54618812679 - 2²⁷ = 54484594951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54618812639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9103135444 + ... + 9103135449.

It is an arithmetic number, because the mean of its divisors is an integer number (18206270894).

Almost surely, 2^54618812679 is an apocalyptic number.

54618812679 is a deficient number, since it is larger than the sum of its proper divisors (18206270897).

54618812679 is a wasteful number, since it uses less digits than its factorization.

54618812679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18206270896.

The product of its digits is 5806080, while the sum is 57.

The spelling of 54618812679 in words is "fifty-four billion, six hundred eighteen million, eight hundred twelve thousand, six hundred seventy-nine".