56403207 has 24 divisors (see below), whose sum is σ = 95630496. Its totient is φ = 31358016.

The previous prime is 56403169. The next prime is 56403239. The reversal of 56403207 is 70230465.

It is a happy number.

56403207 is a `hidden beast` number, since 56 + 403 + 207 = 666.

56403207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56403207 - 2¹¹ = 56401159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56403707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9768 + ... + 14429.

It is an arithmetic number, because the mean of its divisors is an integer number (3984604).

Almost surely, 2^56403207 is an apocalyptic number.

56403207 is a deficient number, since it is larger than the sum of its proper divisors (39227289).

56403207 is a wasteful number, since it uses less digits than its factorization.

56403207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24247 (or 24244 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 56403207 is about 7510.2068546745. The cubic root of 56403207 is about 383.5022644632.

The spelling of 56403207 in words is "fifty-six million, four hundred three thousand, two hundred seven".