56288993 has 2 divisors, whose sum is σ = 56288994. Its totient is φ = 56288992.

The previous prime is 56288977. The next prime is 56289011. The reversal of 56288993 is 39988265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33085504 + 23203489 = 5752^2 + 4817^2 .

It is a cyclic number.

It is not a de Polignac number, because 56288993 - 2⁴ = 56288977 is a prime.

It is not a weakly prime, because it can be changed into another prime (56288923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28144496 + 28144497.

It is an arithmetic number, because the mean of its divisors is an integer number (28144497).

Almost surely, 2^56288993 is an apocalyptic number.

It is an amenable number.

56288993 is a deficient number, since it is larger than the sum of its proper divisors (1).

56288993 is an equidigital number, since it uses as much as digits as its factorization.

56288993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 50.

The square root of 56288993 is about 7502.5990829845. The cubic root of 56288993 is about 383.2432311652.

The spelling of 56288993 in words is "fifty-six million, two hundred eighty-eight thousand, nine hundred ninety-three".