56776616602493 has 4 divisors (see below), whose sum is σ = 56801974629120. Its totient is φ = 56751258575868.

The previous prime is 56776616602441. The next prime is 56776616602513. The reversal of 56776616602493 is 39420661667765.

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 56776616602493 - 2²⁴ = 56776599825277 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 (56776616602403) 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, 12679009955 + ... + 12679014432.

It is an arithmetic number, because the mean of its divisors is an integer number (14200493657280).

Almost surely, 2^{56776616602493} is an apocalyptic number.

It is an amenable number.

56776616602493 is a deficient number, since it is larger than the sum of its proper divisors (25358026627).

56776616602493 is a wasteful number, since it uses less digits than its factorization.

56776616602493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25358026626.

The product of its (nonzero) digits is 411505920, while the sum is 68.

The spelling of 56776616602493 in words is "fifty-six trillion, seven hundred seventy-six billion, six hundred sixteen million, six hundred two thousand, four hundred ninety-three".