56672402207 has 4 divisors (see below), whose sum is σ = 56729246136. Its totient is φ = 56615558280.

The previous prime is 56672402159. The next prime is 56672402219. The reversal of 56672402207 is 70220427665.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56672402207 is a prime.

It is a super-2 number, since 2×56672402207² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56672402287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28420469 + ... + 28422462.

It is an arithmetic number, because the mean of its divisors is an integer number (14182311534).

Almost surely, 2^56672402207 is an apocalyptic number.

56672402207 is a deficient number, since it is larger than the sum of its proper divisors (56843929).

56672402207 is an equidigital number, since it uses as much as digits as its factorization.

56672402207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56843928.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 56672402207 in words is "fifty-six billion, six hundred seventy-two million, four hundred two thousand, two hundred seven".