56156245007 has 4 divisors (see below), whose sum is σ = 56160966840. Its totient is φ = 56151523176.

The previous prime is 56156244997. The next prime is 56156245051. The reversal of 56156245007 is 70054265165.

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

It is a cyclic number.

It is not a de Polignac number, because 56156245007 - 2⁶ = 56156244943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56156245307) 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, 2343032 + ... + 2366877.

It is an arithmetic number, because the mean of its divisors is an integer number (14040241710).

Almost surely, 2^56156245007 is an apocalyptic number.

56156245007 is a deficient number, since it is larger than the sum of its proper divisors (4721833).

56156245007 is a wasteful number, since it uses less digits than its factorization.

56156245007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721832.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 56156245007 in words is "fifty-six billion, one hundred fifty-six million, two hundred forty-five thousand, seven".