5558494 has 4 divisors (see below), whose sum is σ = 8337744. Its totient is φ = 2779246.

The previous prime is 5558489. The next prime is 5558513. The reversal of 5558494 is 4948555.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389622 + ... + 1389625.

It is an arithmetic number, because the mean of its divisors is an integer number (2084436).

Almost surely, 2^5558494 is an apocalyptic number.

5558494 is a deficient number, since it is larger than the sum of its proper divisors (2779250).

5558494 is a wasteful number, since it uses less digits than its factorization.

5558494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779249.

The product of its digits is 144000, while the sum is 40.

The square root of 5558494 is about 2357.6458597508. The cubic root of 5558494 is about 177.1409816585.

The spelling of 5558494 in words is "five million, five hundred fifty-eight thousand, four hundred ninety-four".