56875787 has 2 divisors, whose sum is σ = 56875788. Its totient is φ = 56875786.

The previous prime is 56875783. The next prime is 56875843. The reversal of 56875787 is 78757865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56875787 - 2² = 56875783 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56875783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28437893 + 28437894.

It is an arithmetic number, because the mean of its divisors is an integer number (28437894).

Almost surely, 2^56875787 is an apocalyptic number.

56875787 is a deficient number, since it is larger than the sum of its proper divisors (1).

56875787 is an equidigital number, since it uses as much as digits as its factorization.

56875787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3292800, while the sum is 53.

The square root of 56875787 is about 7541.6037419106. The cubic root of 56875787 is about 384.5703578459.

The spelling of 56875787 in words is "fifty-six million, eight hundred seventy-five thousand, seven hundred eighty-seven".