56017806406 has 4 divisors (see below), whose sum is σ = 84026709612. Its totient is φ = 28008903202.

The previous prime is 56017806389. The next prime is 56017806451. The reversal of 56017806406 is 60460871065.

It is a happy number.

56017806406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14004451600 + ... + 14004451603.

It is an arithmetic number, because the mean of its divisors is an integer number (21006677403).

Almost surely, 2^56017806406 is an apocalyptic number.

56017806406 is a deficient number, since it is larger than the sum of its proper divisors (28008903206).

56017806406 is a wasteful number, since it uses less digits than its factorization.

56017806406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28008903205.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 56017806406 in words is "fifty-six billion, seventeen million, eight hundred six thousand, four hundred six".