56831687263 has 8 divisors (see below), whose sum is σ = 61219253088. Its totient is φ = 52446392544.

The previous prime is 56831687261. The next prime is 56831687267. The reversal of 56831687263 is 36278613865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56831687263 - 2¹ = 56831687261 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 (56831687261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515620 + ... + 616057.

It is an arithmetic number, because the mean of its divisors is an integer number (7652406636).

Almost surely, 2^56831687263 is an apocalyptic number.

56831687263 is a deficient number, since it is larger than the sum of its proper divisors (4387565825).

56831687263 is a wasteful number, since it uses less digits than its factorization.

56831687263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135553.

The product of its digits is 8709120, while the sum is 55.

The spelling of 56831687263 in words is "fifty-six billion, eight hundred thirty-one million, six hundred eighty-seven thousand, two hundred sixty-three".