5558891 has 8 divisors (see below), whose sum is σ = 6042960. Its totient is φ = 5082912.

The previous prime is 5558879. The next prime is 5558933. The reversal of 5558891 is 1988555.

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 5558891 - 2¹⁴ = 5542507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5558191) 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, 545 + ... + 3378.

It is an arithmetic number, because the mean of its divisors is an integer number (755370).

Almost surely, 2^5558891 is an apocalyptic number.

5558891 is a deficient number, since it is larger than the sum of its proper divisors (484069).

5558891 is a wasteful number, since it uses less digits than its factorization.

5558891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045.

The product of its digits is 72000, while the sum is 41.

The square root of 5558891 is about 2357.7300524021. The cubic root of 5558891 is about 177.1451988256.

The spelling of 5558891 in words is "five million, five hundred fifty-eight thousand, eight hundred ninety-one".