56209907 has 12 divisors (see below), whose sum is σ = 63517104. Its totient is φ = 49626720.

The previous prime is 56209897. The next prime is 56209921. The reversal of 56209907 is 70990265.

It is not a de Polignac number, because 56209907 - 2⁸ = 56209651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56209507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3344 + ... + 11117.

It is an arithmetic number, because the mean of its divisors is an integer number (5293092).

Almost surely, 2^56209907 is an apocalyptic number.

56209907 is a deficient number, since it is larger than the sum of its proper divisors (7307197).

56209907 is a wasteful number, since it uses less digits than its factorization.

56209907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14510 (or 14497 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 56209907 is about 7497.3266568824. The cubic root of 56209907 is about 383.0636615404.

The spelling of 56209907 in words is "fifty-six million, two hundred nine thousand, nine hundred seven".