55159008 has 96 divisors (see below), whose sum is σ = 152028576. Its totient is φ = 17491968.

The previous prime is 55158989. The next prime is 55159009. The reversal of 55159008 is 80095155.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 55159008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55159009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188110 + ... + 188402.

It is an arithmetic number, because the mean of its divisors is an integer number (1583631).

Almost surely, 2^55159008 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 55159008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76014288).

55159008 is an abundant number, since it is smaller than the sum of its proper divisors (96869568).

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

55159008 is a wasteful number, since it uses less digits than its factorization.

55159008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

The square root of 55159008 is about 7426.9110671934. The cubic root of 55159008 is about 380.6613782331.

The spelling of 55159008 in words is "fifty-five million, one hundred fifty-nine thousand, eight".