54813879 has 18 divisors (see below), whose sum is σ = 83567016. Its totient is φ = 34617240.

The previous prime is 54813877. The next prime is 54813883. The reversal of 54813879 is 97831845.

54813879 is a `hidden beast` number, since 548 + 1 + 38 + 79 = 666.

54813879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54813879 - 2¹ = 54813877 is a prime.

It is a super-2 number, since 2×54813879² = 6009122662053282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54813877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5187 + ... + 11684.

It is an arithmetic number, because the mean of its divisors is an integer number (4642612).

Almost surely, 2^54813879 is an apocalyptic number.

54813879 is a deficient number, since it is larger than the sum of its proper divisors (28753137).

54813879 is a wasteful number, since it uses less digits than its factorization.

54813879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16915 (or 16893 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 54813879 is about 7403.6395779373. The cubic root of 54813879 is about 379.8657859352.

The spelling of 54813879 in words is "fifty-four million, eight hundred thirteen thousand, eight hundred seventy-nine".