55825588 has 48 divisors (see below), whose sum is σ = 121488640. Its totient is φ = 21855744.

The previous prime is 55825579. The next prime is 55825621. The reversal of 55825588 is 88552855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36748 + ... + 38236.

Almost surely, 2^55825588 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 55825588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60744320).

55825588 is an abundant number, since it is smaller than the sum of its proper divisors (65663052).

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

55825588 is a wasteful number, since it uses less digits than its factorization.

55825588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1614 counting only the distinct ones).

The product of its digits is 640000, while the sum is 46.

The square root of 55825588 is about 7471.6522938370. The cubic root of 55825588 is about 382.1886352140.

The spelling of 55825588 in words is "fifty-five million, eight hundred twenty-five thousand, five hundred eighty-eight".