54779131 has 4 divisors (see below), whose sum is σ = 59759064. Its totient is φ = 49799200.

The previous prime is 54779113. The next prime is 54779177. The reversal of 54779131 is 13197745.

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

It is not a de Polignac number, because 54779131 - 2¹⁷ = 54648059 is a prime.

It is a super-2 number, since 2×54779131² = 6001506386230322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54771131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2489950 + ... + 2489971.

It is an arithmetic number, because the mean of its divisors is an integer number (14939766).

Almost surely, 2^54779131 is an apocalyptic number.

54779131 is a deficient number, since it is larger than the sum of its proper divisors (4979933).

54779131 is a wasteful number, since it uses less digits than its factorization.

54779131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979932.

The product of its digits is 26460, while the sum is 37.

The square root of 54779131 is about 7401.2925222558. The cubic root of 54779131 is about 379.7854999034.

The spelling of 54779131 in words is "fifty-four million, seven hundred seventy-nine thousand, one hundred thirty-one".