56394293 has 2 divisors, whose sum is σ = 56394294. Its totient is φ = 56394292.

The previous prime is 56394277. The next prime is 56394307. The reversal of 56394293 is 39249365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47018449 + 9375844 = 6857^2 + 3062^2 .

It is a cyclic number.

It is not a de Polignac number, because 56394293 - 2⁴ = 56394277 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56394293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56394203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28197146 + 28197147.

It is an arithmetic number, because the mean of its divisors is an integer number (28197147).

Almost surely, 2^56394293 is an apocalyptic number.

It is an amenable number.

56394293 is a deficient number, since it is larger than the sum of its proper divisors (1).

56394293 is an equidigital number, since it uses as much as digits as its factorization.

56394293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 41.

The square root of 56394293 is about 7509.6133722050. The cubic root of 56394293 is about 383.4820604153.

The spelling of 56394293 in words is "fifty-six million, three hundred ninety-four thousand, two hundred ninety-three".