56235277791 has 24 divisors (see below), whose sum is σ = 101272189824. Its totient is φ = 29213130960.

The previous prime is 56235277733. The next prime is 56235277799. The reversal of 56235277791 is 19777253265.

56235277791 is a `hidden beast` number, since 5 + 6 + 23 + 527 + 7 + 7 + 91 = 666.

It is not a de Polignac number, because 56235277791 - 2¹³ = 56235269599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56235277799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40573101 + ... + 40574486.

It is an arithmetic number, because the mean of its divisors is an integer number (4219674576).

Almost surely, 2^56235277791 is an apocalyptic number.

56235277791 is a deficient number, since it is larger than the sum of its proper divisors (45036912033).

56235277791 is a wasteful number, since it uses less digits than its factorization.

56235277791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81147611 (or 81147608 counting only the distinct ones).

The product of its digits is 5556600, while the sum is 54.

The spelling of 56235277791 in words is "fifty-six billion, two hundred thirty-five million, two hundred seventy-seven thousand, seven hundred ninety-one".