5515556 has 12 divisors (see below), whose sum is σ = 9816240. Its totient is φ = 2710920.

The previous prime is 5515541. The next prime is 5515579. The reversal of 5515556 is 6555155.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 11450 + ... + 11921.

It is an arithmetic number, because the mean of its divisors is an integer number (818020).

Almost surely, 2^5515556 is an apocalyptic number.

It is an amenable number.

5515556 is a deficient number, since it is larger than the sum of its proper divisors (4300684).

5515556 is a wasteful number, since it uses less digits than its factorization.

5515556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23434 (or 23432 counting only the distinct ones).

The product of its digits is 18750, while the sum is 32.

The square root of 5515556 is about 2348.5220884633. The cubic root of 5515556 is about 176.6836785960.

The spelling of 5515556 in words is "five million, five hundred fifteen thousand, five hundred fifty-six".