55000088 has 64 divisors (see below), whose sum is σ = 122411520. Its totient is φ = 22838400.

The previous prime is 55000069. The next prime is 55000091. The reversal of 55000088 is 88000055.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a zygodrome in base 10.

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, 149681 + ... + 150047.

It is an arithmetic number, because the mean of its divisors is an integer number (1912680).

Almost surely, 2^55000088 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 55000088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61205760).

55000088 is an abundant number, since it is smaller than the sum of its proper divisors (67411432).

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

55000088 is a wasteful number, since it uses less digits than its factorization.

55000088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 55000088 is about 7416.2044200521. The cubic root of 55000088 is about 380.2954489002.

The spelling of 55000088 in words is "fifty-five million, eighty-eight", and thus it is an aban number and an uban number.