54839279 has 16 divisors (see below), whose sum is σ = 62628864. Its totient is φ = 47563200.

The previous prime is 54839251. The next prime is 54839287. The reversal of 54839279 is 97293845.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54839279 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 (54839249) 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, 23792 + ... + 25994.

It is an arithmetic number, because the mean of its divisors is an integer number (3914304).

Almost surely, 2^54839279 is an apocalyptic number.

54839279 is a deficient number, since it is larger than the sum of its proper divisors (7789585).

54839279 is a wasteful number, since it uses less digits than its factorization.

54839279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

The product of its digits is 544320, while the sum is 47.

The square root of 54839279 is about 7405.3547517995. The cubic root of 54839279 is about 379.9244517402.

The spelling of 54839279 in words is "fifty-four million, eight hundred thirty-nine thousand, two hundred seventy-nine".