55002558 has 16 divisors (see below), whose sum is σ = 118467216. Its totient is φ = 16923840.

The previous prime is 55002553. The next prime is 55002581. The reversal of 55002558 is 85520055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55002553) 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, 352503 + ... + 352658.

It is an arithmetic number, because the mean of its divisors is an integer number (7404201).

Almost surely, 2^55002558 is an apocalyptic number.

55002558 is an abundant number, since it is smaller than the sum of its proper divisors (63464658).

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

55002558 is a wasteful number, since it uses less digits than its factorization.

55002558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705179.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 55002558 is about 7416.3709454153. The cubic root of 55002558 is about 380.3011417135.

The spelling of 55002558 in words is "fifty-five million, two thousand, five hundred fifty-eight".