56658479 has 2 divisors, whose sum is σ = 56658480. Its totient is φ = 56658478.

The previous prime is 56658451. The next prime is 56658487. The reversal of 56658479 is 97485665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56658479 - 2²⁴ = 39881263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56658409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28329239 + 28329240.

It is an arithmetic number, because the mean of its divisors is an integer number (28329240).

Almost surely, 2^56658479 is an apocalyptic number.

56658479 is a deficient number, since it is larger than the sum of its proper divisors (1).

56658479 is an equidigital number, since it uses as much as digits as its factorization.

56658479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 50.

The square root of 56658479 is about 7527.1826734842. The cubic root of 56658479 is about 384.0799507102.

The spelling of 56658479 in words is "fifty-six million, six hundred fifty-eight thousand, four hundred seventy-nine".