5556019 has 4 divisors (see below), whose sum is σ = 6349744. Its totient is φ = 4762296.

The previous prime is 5556017. The next prime is 5556071. The reversal of 5556019 is 9106555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9106555 = 5 ⋅1821311.

It is not a de Polignac number, because 5556019 - 2¹ = 5556017 is a prime.

It is a super-2 number, since 2×5556019² = 61738694256722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5556017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396852 + ... + 396865.

It is an arithmetic number, because the mean of its divisors is an integer number (1587436).

Almost surely, 2^5556019 is an apocalyptic number.

5556019 is a deficient number, since it is larger than the sum of its proper divisors (793725).

5556019 is an equidigital number, since it uses as much as digits as its factorization.

5556019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793724.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 5556019 is about 2357.1209133178. The cubic root of 5556019 is about 177.1146862256.

The spelling of 5556019 in words is "five million, five hundred fifty-six thousand, nineteen".