56555424324 has 72 divisors (see below), whose sum is σ = 163622047680. Its totient is φ = 16134985152.

The previous prime is 56555424287. The next prime is 56555424349. The reversal of 56555424324 is 42342455565.

56555424324 is a `hidden beast` number, since 5 + 65 + 5 + 542 + 43 + 2 + 4 = 666.

56555424324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56555424324.

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, 7822 + ... + 336410.

It is an arithmetic number, because the mean of its divisors is an integer number (2272528440).

Almost surely, 2^56555424324 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 56555424324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81811023840).

56555424324 is an abundant number, since it is smaller than the sum of its proper divisors (107066623356).

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

56555424324 is a wasteful number, since it uses less digits than its factorization.

56555424324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329289 (or 329284 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 45.

Adding to 56555424324 its reverse (42342455565), we get a palindrome (98897879889).

The spelling of 56555424324 in words is "fifty-six billion, five hundred fifty-five million, four hundred twenty-four thousand, three hundred twenty-four".