56355805675 has 24 divisors (see below), whose sum is σ = 75329977184. Its totient is φ = 41576060160.

The previous prime is 56355805663. The next prime is 56355805697. The reversal of 56355805675 is 57650855365.

It is a happy number.

56355805675 is a nontrivial binomial coefficient, being equal to C(335726, 2).

It is not a de Polignac number, because 56355805675 - 2⁵ = 56355805643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251794 + ... + 419656.

Almost surely, 2^56355805675 is an apocalyptic number.

56355805675 is the 335725-th triangular number and also the 167863-rd hexagonal number.

56355805675 is the 111909-th centered nonagonal number.

56355805675 is a deficient number, since it is larger than the sum of its proper divisors (18974171509).

56355805675 is a wasteful number, since it uses less digits than its factorization.

56355805675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168919 (or 168914 counting only the distinct ones).

The product of its (nonzero) digits is 18900000, while the sum is 55.

The spelling of 56355805675 in words is "fifty-six billion, three hundred fifty-five million, eight hundred five thousand, six hundred seventy-five".