56606505277 has 4 divisors (see below), whose sum is σ = 64693148896. Its totient is φ = 48519861660.

The previous prime is 56606505209. The next prime is 56606505281. The reversal of 56606505277 is 77250560665.

56606505277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56606505277 - 2³¹ = 54459021629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56606505277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56606505077) 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, 4043321799 + ... + 4043321812.

It is an arithmetic number, because the mean of its divisors is an integer number (16173287224).

Almost surely, 2^56606505277 is an apocalyptic number.

It is an amenable number.

56606505277 is a deficient number, since it is larger than the sum of its proper divisors (8086643619).

56606505277 is an equidigital number, since it uses as much as digits as its factorization.

56606505277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086643618.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 56606505277 in words is "fifty-six billion, six hundred six million, five hundred five thousand, two hundred seventy-seven".