56207245 has 4 divisors (see below), whose sum is σ = 67448700. Its totient is φ = 44965792.

The previous prime is 56207237. The next prime is 56207251. The reversal of 56207245 is 54270265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40793769 + 15413476 = 6387^2 + 3926^2 .

It is a cyclic number.

It is not a de Polignac number, because 56207245 - 2³ = 56207237 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5620720 + ... + 5620729.

It is an arithmetic number, because the mean of its divisors is an integer number (16862175).

Almost surely, 2^56207245 is an apocalyptic number.

It is an amenable number.

56207245 is a deficient number, since it is larger than the sum of its proper divisors (11241455).

56207245 is a wasteful number, since it uses less digits than its factorization.

56207245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11241454.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 56207245 is about 7497.1491248341. The cubic root of 56207245 is about 383.0576143764.

The spelling of 56207245 in words is "fifty-six million, two hundred seven thousand, two hundred forty-five".