54135279 has 18 divisors (see below), whose sum is σ = 85952048. Its totient is φ = 32808600.

The previous prime is 54135271. The next prime is 54135311. The reversal of 54135279 is 97253145.

It is not a de Polignac number, because 54135279 - 2³ = 54135271 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 (54135271) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23767 + ... + 25944.

Almost surely, 2^54135279 is an apocalyptic number.

54135279 is a deficient number, since it is larger than the sum of its proper divisors (31816769).

54135279 is a wasteful number, since it uses less digits than its factorization.

54135279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49739 (or 49725 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 54135279 is about 7357.6680408945. The cubic root of 54135279 is about 378.2916829868.

The spelling of 54135279 in words is "fifty-four million, one hundred thirty-five thousand, two hundred seventy-nine".