56007909 has 16 divisors (see below), whose sum is σ = 84542400. Its totient is φ = 36633168.

The previous prime is 56007901. The next prime is 56007923. The reversal of 56007909 is 90970065.

56007909 is a `hidden beast` number, since 560 + 0 + 7 + 90 + 9 = 666.

It is not a de Polignac number, because 56007909 - 2³ = 56007901 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56007901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18139 + ... + 21000.

It is an arithmetic number, because the mean of its divisors is an integer number (5283900).

Almost surely, 2^56007909 is an apocalyptic number.

It is an amenable number.

56007909 is a deficient number, since it is larger than the sum of its proper divisors (28534491).

56007909 is a wasteful number, since it uses less digits than its factorization.

56007909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39201 (or 39195 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 56007909 is about 7483.8431971815. The cubic root of 56007909 is about 382.6042468646.

The spelling of 56007909 in words is "fifty-six million, seven thousand, nine hundred nine".