56838279 has 4 divisors (see below), whose sum is σ = 75784376. Its totient is φ = 37892184.

The previous prime is 56838227. The next prime is 56838281. The reversal of 56838279 is 97283865.

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

It is not a de Polignac number, because 56838279 - 2¹⁹ = 56313991 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 (56838679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9473044 + ... + 9473049.

It is an arithmetic number, because the mean of its divisors is an integer number (18946094).

Almost surely, 2^56838279 is an apocalyptic number.

56838279 is a deficient number, since it is larger than the sum of its proper divisors (18946097).

56838279 is a wasteful number, since it uses less digits than its factorization.

56838279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18946096.

The product of its digits is 725760, while the sum is 48.

The square root of 56838279 is about 7539.1165928111. The cubic root of 56838279 is about 384.4858014365.

The spelling of 56838279 in words is "fifty-six million, eight hundred thirty-eight thousand, two hundred seventy-nine".