5551219 has 4 divisors (see below), whose sum is σ = 5559840. Its totient is φ = 5542600.

The previous prime is 5551193. The next prime is 5551237. The reversal of 5551219 is 9121555.

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

It is a cyclic number.

It is not a de Polignac number, because 5551219 - 2⁵ = 5551187 is a prime.

It is a super-2 number, since 2×5551219² = 61632064771922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551279) 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, 3259 + ... + 4660.

It is an arithmetic number, because the mean of its divisors is an integer number (1389960).

Almost surely, 2^5551219 is an apocalyptic number.

5551219 is a deficient number, since it is larger than the sum of its proper divisors (8621).

5551219 is an equidigital number, since it uses as much as digits as its factorization.

5551219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620.

The product of its digits is 2250, while the sum is 28.

The square root of 5551219 is about 2356.1025020147. The cubic root of 5551219 is about 177.0636667556.

The spelling of 5551219 in words is "five million, five hundred fifty-one thousand, two hundred nineteen".