56317775 has 6 divisors (see below), whose sum is σ = 69834072. Its totient is φ = 45054200.

The previous prime is 56317771. The next prime is 56317783. The reversal of 56317775 is 57771365.

It is not a de Polignac number, because 56317775 - 2² = 56317771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56317771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1126331 + ... + 1126380.

It is an arithmetic number, because the mean of its divisors is an integer number (11639012).

Almost surely, 2^56317775 is an apocalyptic number.

56317775 is a deficient number, since it is larger than the sum of its proper divisors (13516297).

56317775 is a wasteful number, since it uses less digits than its factorization.

56317775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252721 (or 2252716 counting only the distinct ones).

The product of its digits is 154350, while the sum is 41.

The square root of 56317775 is about 7504.5169731302. The cubic root of 56317775 is about 383.3085407196.

The spelling of 56317775 in words is "fifty-six million, three hundred seventeen thousand, seven hundred seventy-five".