55885452624 has 240 divisors, whose sum is σ = 165398163840. Its totient is φ = 17580625920.

The previous prime is 55885452619. The next prime is 55885452641. The reversal of 55885452624 is 42625458855.

55885452624 is a `hidden beast` number, since 5 + 5 + 8 + 8 + 5 + 4 + 5 + 2 + 624 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107265484 + ... + 107266004.

It is an arithmetic number, because the mean of its divisors is an integer number (689159016).

Almost surely, 2^55885452624 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 55885452624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82699081920).

55885452624 is an abundant number, since it is smaller than the sum of its proper divisors (109512711216).

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

55885452624 is a wasteful number, since it uses less digits than its factorization.

55885452624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 921 counting only the distinct ones).

The product of its digits is 15360000, while the sum is 54.

The spelling of 55885452624 in words is "fifty-five billion, eight hundred eighty-five million, four hundred fifty-two thousand, six hundred twenty-four".