56005055005007 has 4 divisors (see below), whose sum is σ = 56005584794520. Its totient is φ = 56004525215496.

The previous prime is 56005055004971. The next prime is 56005055005087. The reversal of 56005055005007 is 70050055050065.

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 56005055005007 - 2²⁸ = 56004786569551 is a prime.

It is a super-2 number, since 2×56005055005007² (a number of 28 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 (56005055005087) 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, 264736157 + ... + 264947622.

It is an arithmetic number, because the mean of its divisors is an integer number (14001396198630).

Almost surely, 2^{56005055005007} is an apocalyptic number.

56005055005007 is a deficient number, since it is larger than the sum of its proper divisors (529789513).

56005055005007 is a wasteful number, since it uses less digits than its factorization.

56005055005007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529789512.

The product of its (nonzero) digits is 131250, while the sum is 38.

The spelling of 56005055005007 in words is "fifty-six trillion, five billion, fifty-five million, five thousand, seven".