55985608 has 32 divisors (see below), whose sum is σ = 120231360. Its totient is φ = 23941440.

The previous prime is 55985603. The next prime is 55985621. The reversal of 55985608 is 80658955.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55985603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35803 + ... + 37333.

It is an arithmetic number, because the mean of its divisors is an integer number (3757230).

Almost surely, 2^55985608 is an apocalyptic number.

It is an amenable number.

55985608 is an abundant number, since it is smaller than the sum of its proper divisors (64245752).

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

55985608 is a wasteful number, since it uses less digits than its factorization.

55985608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197 (or 2193 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 46.

The square root of 55985608 is about 7482.3531058084. The cubic root of 55985608 is about 382.5534588588.

The spelling of 55985608 in words is "fifty-five million, nine hundred eighty-five thousand, six hundred eight".