55055408 has 40 divisors (see below), whose sum is σ = 110656608. Its totient is φ = 26514432.

The previous prime is 55055387. The next prime is 55055417. The reversal of 55055408 is 80455055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66485 + ... + 67307.

Almost surely, 2^55055408 is an apocalyptic number.

It is an amenable number.

55055408 is an abundant number, since it is smaller than the sum of its proper divisors (55601200).

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

55055408 is a wasteful number, since it uses less digits than its factorization.

55055408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 55055408 is about 7419.9331533377. The cubic root of 55055408 is about 380.4229086643.

The spelling of 55055408 in words is "fifty-five million, fifty-five thousand, four hundred eight".