56391435 has 24 divisors (see below), whose sum is σ = 98760480. Its totient is φ = 29763072.

The previous prime is 56391371. The next prime is 56391437. The reversal of 56391435 is 53419365.

56391435 is a `hidden beast` number, since 5 + 639 + 14 + 3 + 5 = 666.

It is not a de Polignac number, because 56391435 - 2⁶ = 56391371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56391435.

It is not an unprimeable number, because it can be changed into a prime (56391437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2095 + ... + 10824.

It is an arithmetic number, because the mean of its divisors is an integer number (4115020).

Almost surely, 2^56391435 is an apocalyptic number.

56391435 is a deficient number, since it is larger than the sum of its proper divisors (42369045).

56391435 is a wasteful number, since it uses less digits than its factorization.

56391435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13027 (or 13024 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 56391435 is about 7509.4230803704. The cubic root of 56391435 is about 383.4755821579.

The spelling of 56391435 in words is "fifty-six million, three hundred ninety-one thousand, four hundred thirty-five".