5555279 has 4 divisors (see below), whose sum is σ = 5570784. Its totient is φ = 5539776.

The previous prime is 5555267. The next prime is 5555321. The reversal of 5555279 is 9725555.

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 5555279 - 2⁸ = 5555023 is a prime.

It is a super-2 number, since 2×5555279² = 61722249535682, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7202 + ... + 7935.

It is an arithmetic number, because the mean of its divisors is an integer number (1392696).

Almost surely, 2^5555279 is an apocalyptic number.

5555279 is a deficient number, since it is larger than the sum of its proper divisors (15505).

5555279 is a wasteful number, since it uses less digits than its factorization.

5555279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15504.

The product of its digits is 78750, while the sum is 38.

The square root of 5555279 is about 2356.9639369324. The cubic root of 5555279 is about 177.1068226404.

The spelling of 5555279 in words is "five million, five hundred fifty-five thousand, two hundred seventy-nine".