55055008 has 96 divisors (see below), whose sum is σ = 123863040. Its totient is φ = 23950080.

The previous prime is 55054973. The next prime is 55055009. The reversal of 55055008 is 80055055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433441 + ... + 433567.

It is an arithmetic number, because the mean of its divisors is an integer number (1290240).

Almost surely, 2^55055008 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 55055008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61931520).

55055008 is an abundant number, since it is smaller than the sum of its proper divisors (68808032).

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

55055008 is a wasteful number, since it uses less digits than its factorization.

55055008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 55055008 is about 7419.9061988680. The cubic root of 55055008 is about 380.4219873529.

The spelling of 55055008 in words is "fifty-five million, fifty-five thousand, eight".