56775027767 has 4 divisors (see below), whose sum is σ = 57846254760. Its totient is φ = 55703800776.

The previous prime is 56775027763. The next prime is 56775027773. The reversal of 56775027767 is 76772057765.

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 56775027767 - 2² = 56775027763 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 (56775027763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535613417 + ... + 535613522.

It is an arithmetic number, because the mean of its divisors is an integer number (14461563690).

Almost surely, 2^56775027767 is an apocalyptic number.

56775027767 is a deficient number, since it is larger than the sum of its proper divisors (1071226993).

56775027767 is a wasteful number, since it uses less digits than its factorization.

56775027767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071226992.

The product of its (nonzero) digits is 30252600, while the sum is 59.

The spelling of 56775027767 in words is "fifty-six billion, seven hundred seventy-five million, twenty-seven thousand, seven hundred sixty-seven".