56821832627 has 4 divisors (see below), whose sum is σ = 64939237296. Its totient is φ = 48704427960.

The previous prime is 56821832623. The next prime is 56821832651. The reversal of 56821832627 is 72623812865.

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 56821832627 - 2² = 56821832623 is a prime.

It is a super-2 number, since 2×56821832627² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56821832623) 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, 4058702324 + ... + 4058702337.

It is an arithmetic number, because the mean of its divisors is an integer number (16234809324).

Almost surely, 2^56821832627 is an apocalyptic number.

56821832627 is a deficient number, since it is larger than the sum of its proper divisors (8117404669).

56821832627 is an equidigital number, since it uses as much as digits as its factorization.

56821832627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8117404668.

The product of its digits is 1935360, while the sum is 50.

The spelling of 56821832627 in words is "fifty-six billion, eight hundred twenty-one million, eight hundred thirty-two thousand, six hundred twenty-seven".