56428253184 has 104 divisors (see below), whose sum is σ = 151543984480. Its totient is φ = 18673532928.

The previous prime is 56428253179. The next prime is 56428253207. The reversal of 56428253184 is 48135282465.

It is a super-2 number, since 2×56428253184² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691514 + ... + 1724550.

Almost surely, 2^56428253184 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 56428253184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75771992240).

56428253184 is an abundant number, since it is smaller than the sum of its proper divisors (95115731296).

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

56428253184 is a wasteful number, since it uses less digits than its factorization.

56428253184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33203 (or 33181 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 48.

The spelling of 56428253184 in words is "fifty-six billion, four hundred twenty-eight million, two hundred fifty-three thousand, one hundred eighty-four".