55125888 has 64 divisors (see below), whose sum is σ = 148165200. Its totient is φ = 18157568.

The previous prime is 55125887. The next prime is 55125911. The reversal of 55125888 is 88852155.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33370 + ... + 34982.

Almost surely, 2^55125888 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 55125888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74082600).

55125888 is an abundant number, since it is smaller than the sum of its proper divisors (93039312).

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

55125888 is a wasteful number, since it uses less digits than its factorization.

55125888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719 (or 1707 counting only the distinct ones).

The product of its digits is 128000, while the sum is 42.

The square root of 55125888 is about 7424.6810032486. The cubic root of 55125888 is about 380.5851741247.

The spelling of 55125888 in words is "fifty-five million, one hundred twenty-five thousand, eight hundred eighty-eight".