45423988056 has 96 divisors (see below), whose sum is σ = 128843442000. Its totient is φ = 14991350400.

The previous prime is 45423988039. The next prime is 45423988097. The reversal of 45423988056 is 65088932454.

45423988056 is a `hidden beast` number, since 4 + 5 + 423 + 98 + 80 + 56 = 666.

45423988056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 45423987993 and 45423988011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80670 + ... + 312018.

Almost surely, 2^45423988056 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 45423988056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64421721000).

45423988056 is an abundant number, since it is smaller than the sum of its proper divisors (83419453944).

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

45423988056 is a wasteful number, since it uses less digits than its factorization.

45423988056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231471 (or 231455 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 45423988056 in words is "forty-five billion, four hundred twenty-three million, nine hundred eighty-eight thousand, fifty-six".