56556376635 has 64 divisors (see below), whose sum is σ = 100201660416. Its totient is φ = 27009494400.

The previous prime is 56556376559. The next prime is 56556376637. The reversal of 56556376635 is 53667365565.

56556376635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56556376635 - 2⁷ = 56556376507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56556376637) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19480594 + ... + 19483496.

It is an arithmetic number, because the mean of its divisors is an integer number (1565650944).

Almost surely, 2^56556376635 is an apocalyptic number.

56556376635 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56556376635 is a deficient number, since it is larger than the sum of its proper divisors (43645283781).

56556376635 is a wasteful number, since it uses less digits than its factorization.

56556376635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656.

The product of its digits is 51030000, while the sum is 57.

The spelling of 56556376635 in words is "fifty-six billion, five hundred fifty-six million, three hundred seventy-six thousand, six hundred thirty-five".