56425805 has 16 divisors (see below), whose sum is σ = 71973360. Its totient is φ = 42466816.

The previous prime is 56425783. The next prime is 56425813. The reversal of 56425805 is 50852465.

It can be written as a sum of positive squares in 8 ways, for example, as 70756 + 56355049 = 266^2 + 7507^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56425805 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23417 + ... + 25713.

It is an arithmetic number, because the mean of its divisors is an integer number (4498335).

Almost surely, 2^56425805 is an apocalyptic number.

It is an amenable number.

56425805 is a deficient number, since it is larger than the sum of its proper divisors (15547555).

56425805 is an equidigital number, since it uses as much as digits as its factorization.

56425805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353 (or 2319 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 56425805 is about 7511.7111898688. The cubic root of 56425805 is about 383.5534744770.

The spelling of 56425805 in words is "fifty-six million, four hundred twenty-five thousand, eight hundred five".