56909875 has 16 divisors (see below), whose sum is σ = 77482080. Its totient is φ = 41388000.

The previous prime is 56909873. The next prime is 56909887. The reversal of 56909875 is 57890965.

It is not a de Polignac number, because 56909875 - 2¹ = 56909873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56909873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19320 + ... + 22069.

It is an arithmetic number, because the mean of its divisors is an integer number (4842630).

Almost surely, 2^56909875 is an apocalyptic number.

56909875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56909875 is a deficient number, since it is larger than the sum of its proper divisors (20572205).

56909875 is a wasteful number, since it uses less digits than its factorization.

56909875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41415 (or 41405 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 56909875 is about 7543.8634001419. The cubic root of 56909875 is about 384.6471721164.

The spelling of 56909875 in words is "fifty-six million, nine hundred nine thousand, eight hundred seventy-five".