56375993 has 2 divisors, whose sum is σ = 56375994. Its totient is φ = 56375992.

The previous prime is 56375989. The next prime is 56376041. The reversal of 56375993 is 39957365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56370064 + 5929 = 7508^2 + 77^2 .

It is a cyclic number.

It is not a de Polignac number, because 56375993 - 2² = 56375989 is a prime.

It is not a weakly prime, because it can be changed into another prime (56375923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28187996 + 28187997.

It is an arithmetic number, because the mean of its divisors is an integer number (28187997).

Almost surely, 2^56375993 is an apocalyptic number.

It is an amenable number.

56375993 is a deficient number, since it is larger than the sum of its proper divisors (1).

56375993 is an equidigital number, since it uses as much as digits as its factorization.

56375993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 765450, while the sum is 47.

The square root of 56375993 is about 7508.3948351162. The cubic root of 56375993 is about 383.4405758338.

The spelling of 56375993 in words is "fifty-six million, three hundred seventy-five thousand, nine hundred ninety-three".