5555278 has 8 divisors (see below), whose sum is σ = 8344800. Its totient is φ = 2773680.

The previous prime is 5555267. The next prime is 5555321. The reversal of 5555278 is 8725555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5555278² = 61722227314568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298 + ... + 3346.

It is an arithmetic number, because the mean of its divisors is an integer number (1043100).

Almost surely, 2^5555278 is an apocalyptic number.

5555278 is a deficient number, since it is larger than the sum of its proper divisors (2789522).

5555278 is a wasteful number, since it uses less digits than its factorization.

5555278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962.

The product of its digits is 70000, while the sum is 37.

The square root of 5555278 is about 2356.9637247951. The cubic root of 5555278 is about 177.1068120134.

The spelling of 5555278 in words is "five million, five hundred fifty-five thousand, two hundred seventy-eight".