56392993 has 2 divisors, whose sum is σ = 56392994. Its totient is φ = 56392992.

The previous prime is 56392991. The next prime is 56393009. The reversal of 56392993 is 39929365.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49956624 + 6436369 = 7068^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 56392993 - 2¹ = 56392991 is a prime.

Together with 56392991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56392991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28196496 + 28196497.

It is an arithmetic number, because the mean of its divisors is an integer number (28196497).

Almost surely, 2^56392993 is an apocalyptic number.

It is an amenable number.

56392993 is a deficient number, since it is larger than the sum of its proper divisors (1).

56392993 is an equidigital number, since it uses as much as digits as its factorization.

56392993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 393660, while the sum is 46.

The square root of 56392993 is about 7509.5268159851. The cubic root of 56392993 is about 383.4791137193.

The spelling of 56392993 in words is "fifty-six million, three hundred ninety-two thousand, nine hundred ninety-three".