54679422845 has 4 divisors (see below), whose sum is σ = 65615307420. Its totient is φ = 43743538272.

The previous prime is 54679422839. The next prime is 54679422911. The reversal of 54679422845 is 54822497645.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37749769849 + 16929652996 = 194293^2 + 130114^2 .

It is a cyclic number.

It is not a de Polignac number, because 54679422845 - 2³⁰ = 53605681021 is a prime.

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, 5467942280 + ... + 5467942289.

It is an arithmetic number, because the mean of its divisors is an integer number (16403826855).

Almost surely, 2^54679422845 is an apocalyptic number.

It is an amenable number.

54679422845 is a deficient number, since it is larger than the sum of its proper divisors (10935884575).

54679422845 is a wasteful number, since it uses less digits than its factorization.

54679422845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10935884574.

The product of its digits is 19353600, while the sum is 56.

The spelling of 54679422845 in words is "fifty-four billion, six hundred seventy-nine million, four hundred twenty-two thousand, eight hundred forty-five".