55541527888 has 80 divisors (see below), whose sum is σ = 135054213120. Its totient is φ = 21496176000.

The previous prime is 55541527861. The next prime is 55541527889. The reversal of 55541527888 is 88872514555.

It is a happy number.

It is a super-2 number, since 2×55541527888² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55541527889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36753 + ... + 335311.

It is an arithmetic number, because the mean of its divisors is an integer number (1688177664).

Almost surely, 2^55541527888 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 55541527888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67527106560).

55541527888 is an abundant number, since it is smaller than the sum of its proper divisors (79512685232).

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

55541527888 is a wasteful number, since it uses less digits than its factorization.

55541527888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298736 (or 298730 counting only the distinct ones).

The product of its digits is 17920000, while the sum is 58.

The spelling of 55541527888 in words is "fifty-five billion, five hundred forty-one million, five hundred twenty-seven thousand, eight hundred eighty-eight".