56455373040 has 160 divisors (see below), whose sum is σ = 191026273536. Its totient is φ = 13678663680.

The previous prime is 56455373021. The next prime is 56455373053. The reversal of 56455373040 is 4037355465.

It is a junction number, because it is equal to n+sod(n) for n = 56455372983 and 56455373001.

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, 5980164 + ... + 5989596.

Almost surely, 2^56455373040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56455373040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95513136768).

56455373040 is an abundant number, since it is smaller than the sum of its proper divisors (134570900496).

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

56455373040 is a wasteful number, since it uses less digits than its factorization.

56455373040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11727 (or 11721 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 42.

The spelling of 56455373040 in words is "fifty-six billion, four hundred fifty-five million, three hundred seventy-three thousand, forty".