55005608 has 64 divisors (see below), whose sum is σ = 131414400. Its totient is φ = 21012480.

The previous prime is 55005583. The next prime is 55005623. The reversal of 55005608 is 80650055.

It is a super-2 number, since 2×55005608² = 6051233822899328, which contains 22 as substring.

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, 16568 + ... + 19608.

It is an arithmetic number, because the mean of its divisors is an integer number (2053350).

Almost surely, 2^55005608 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 55005608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65707200).

55005608 is an abundant number, since it is smaller than the sum of its proper divisors (76408792).

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

55005608 is a wasteful number, since it uses less digits than its factorization.

55005608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090 (or 3086 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 55005608 is about 7416.5765687411. The cubic root of 55005608 is about 380.3081710656.

The spelling of 55005608 in words is "fifty-five million, five thousand, six hundred eight".