56057293 has 2 divisors, whose sum is σ = 56057294. Its totient is φ = 56057292.

The previous prime is 56057219. The next prime is 56057303. The reversal of 56057293 is 39275065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29452329 + 26604964 = 5427^2 + 5158^2 .

It is a cyclic number.

It is not a de Polignac number, because 56057293 - 2¹³ = 56049101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56057213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28028646 + 28028647.

It is an arithmetic number, because the mean of its divisors is an integer number (28028647).

Almost surely, 2^56057293 is an apocalyptic number.

It is an amenable number.

56057293 is a deficient number, since it is larger than the sum of its proper divisors (1).

56057293 is an equidigital number, since it uses as much as digits as its factorization.

56057293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 56057293 is about 7487.1418445225. The cubic root of 56057293 is about 382.7166653776.

The spelling of 56057293 in words is "fifty-six million, fifty-seven thousand, two hundred ninety-three".