54611979 has 16 divisors (see below), whose sum is σ = 74869248. Its totient is φ = 35392032.

The previous prime is 54611941. The next prime is 54611981. The reversal of 54611979 is 97911645.

It is not a de Polignac number, because 54611979 - 2¹¹ = 54609931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54611979.

It is not an unprimeable number, because it can be changed into a prime (54611279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20904 + ... + 23370.

It is an arithmetic number, because the mean of its divisors is an integer number (4679328).

Almost surely, 2^54611979 is an apocalyptic number.

54611979 is a deficient number, since it is larger than the sum of its proper divisors (20257269).

54611979 is a wasteful number, since it uses less digits than its factorization.

54611979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674.

The product of its digits is 68040, while the sum is 42.

The square root of 54611979 is about 7389.9918132566. The cubic root of 54611979 is about 379.3988162426.

The spelling of 54611979 in words is "fifty-four million, six hundred eleven thousand, nine hundred seventy-nine".