56994439 has 2 divisors, whose sum is σ = 56994440. Its totient is φ = 56994438.

The previous prime is 56994407. The next prime is 56994449. The reversal of 56994439 is 93449965.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56994439 - 2⁵ = 56994407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56994392 and 56994401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56994449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28497219 + 28497220.

It is an arithmetic number, because the mean of its divisors is an integer number (28497220).

Almost surely, 2^56994439 is an apocalyptic number.

56994439 is a deficient number, since it is larger than the sum of its proper divisors (1).

56994439 is an equidigital number, since it uses as much as digits as its factorization.

56994439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 49.

The square root of 56994439 is about 7549.4661400658. The cubic root of 56994439 is about 384.8375972149.

The spelling of 56994439 in words is "fifty-six million, nine hundred ninety-four thousand, four hundred thirty-nine".