56475992039 has 4 divisors (see below), whose sum is σ = 56882294280. Its totient is φ = 56069689800.

The previous prime is 56475991993. The next prime is 56475992047. The reversal of 56475992039 is 93029957465.

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 56475992039 - 2¹⁶ = 56475926503 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 (56475992059) 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 3 ways as a sum of consecutive naturals, for example, 203150912 + ... + 203151189.

It is an arithmetic number, because the mean of its divisors is an integer number (14220573570).

Almost surely, 2^56475992039 is an apocalyptic number.

56475992039 is a deficient number, since it is larger than the sum of its proper divisors (406302241).

56475992039 is a wasteful number, since it uses less digits than its factorization.

56475992039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406302240.

The product of its (nonzero) digits is 18370800, while the sum is 59.

The spelling of 56475992039 in words is "fifty-six billion, four hundred seventy-five million, nine hundred ninety-two thousand, thirty-nine".