56849993 has 2 divisors, whose sum is σ = 56849994. Its totient is φ = 56849992.

The previous prime is 56849977. The next prime is 56850011. The reversal of 56849993 is 39994865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43983424 + 12866569 = 6632^2 + 3587^2 .

It is a cyclic number.

It is not a de Polignac number, because 56849993 - 2⁴ = 56849977 is a prime.

It is not a weakly prime, because it can be changed into another prime (56849963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28424996 + 28424997.

It is an arithmetic number, because the mean of its divisors is an integer number (28424997).

Almost surely, 2^56849993 is an apocalyptic number.

It is an amenable number.

56849993 is a deficient number, since it is larger than the sum of its proper divisors (1).

56849993 is an equidigital number, since it uses as much as digits as its factorization.

56849993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 53.

The square root of 56849993 is about 7539.8934342602. The cubic root of 56849993 is about 384.5122129640.

The spelling of 56849993 in words is "fifty-six million, eight hundred forty-nine thousand, nine hundred ninety-three".