55558284 has 24 divisors (see below), whose sum is σ = 130061568. Its totient is φ = 18458640.

The previous prime is 55558273. The next prime is 55558289. The reversal of 55558284 is 48285555.

It is not an unprimeable number, because it can be changed into a prime (55558289) 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, 3712 + ... + 11175.

It is an arithmetic number, because the mean of its divisors is an integer number (5419232).

Almost surely, 2^55558284 is an apocalyptic number.

It is an amenable number.

55558284 is an abundant number, since it is smaller than the sum of its proper divisors (74503284).

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

55558284 is a wasteful number, since it uses less digits than its factorization.

55558284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15205 (or 15203 counting only the distinct ones).

The product of its digits is 320000, while the sum is 42.

The square root of 55558284 is about 7453.7429523696. The cubic root of 55558284 is about 381.5776606606.

The spelling of 55558284 in words is "fifty-five million, five hundred fifty-eight thousand, two hundred eighty-four".