5456563920 has 80 divisors (see below), whose sum is σ = 18794838720. Its totient is φ = 1455083136.

The previous prime is 5456563883. The next prime is 5456563927. The reversal of 5456563920 is 293656545.

5456563920 is a `hidden beast` number, since 5 + 4 + 5 + 6 + 5 + 639 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5456563927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260934 + ... + 1265253.

It is an arithmetic number, because the mean of its divisors is an integer number (234935484).

Almost surely, 2^5456563920 is an apocalyptic number.

It is an amenable number.

5456563920 is an abundant number, since it is smaller than the sum of its proper divisors (13338274800).

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

5456563920 is a wasteful number, since it uses less digits than its factorization.

5456563920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526209 (or 2526197 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The square root of 5456563920 is about 73868.5583993623. The cubic root of 5456563920 is about 1760.5150782380.

The spelling of 5456563920 in words is "five billion, four hundred fifty-six million, five hundred sixty-three thousand, nine hundred twenty".