56363329806 has 64 divisors (see below), whose sum is σ = 133322872320. Its totient is φ = 15548906880.

The previous prime is 56363329747. The next prime is 56363329889. The reversal of 56363329806 is 60892336365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65140 + ... + 342008.

It is an arithmetic number, because the mean of its divisors is an integer number (2083169880).

Almost surely, 2^56363329806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56363329806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66661436160).

56363329806 is an abundant number, since it is smaller than the sum of its proper divisors (76959542514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56363329806 is a wasteful number, since it uses less digits than its factorization.

56363329806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277049.

The product of its (nonzero) digits is 4199040, while the sum is 51.

The spelling of 56363329806 in words is "fifty-six billion, three hundred sixty-three million, three hundred twenty-nine thousand, eight hundred six".