55000889 has 8 divisors (see below), whose sum is σ = 57931200. Its totient is φ = 52115536.

The previous prime is 55000871. The next prime is 55000937. The reversal of 55000889 is 98800055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55000889 - 2⁸ = 55000633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55000189) 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, 8714 + ... + 13635.

It is an arithmetic number, because the mean of its divisors is an integer number (7241400).

Almost surely, 2^55000889 is an apocalyptic number.

It is an amenable number.

55000889 is a deficient number, since it is larger than the sum of its proper divisors (2930311).

55000889 is a wasteful number, since it uses less digits than its factorization.

55000889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22479.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 55000889 is about 7416.2584232212. The cubic root of 55000889 is about 380.2972950498.

The spelling of 55000889 in words is "fifty-five million, eight hundred eighty-nine", and thus it is an aban number.