5511555 has 24 divisors (see below), whose sum is σ = 10918752. Its totient is φ = 2519424.

The previous prime is 5511547. The next prime is 5511581. The reversal of 5511555 is 5551155.

It is not a de Polignac number, because 5511555 - 2³ = 5511547 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8434 + ... + 9063.

It is an arithmetic number, because the mean of its divisors is an integer number (454948).

Almost surely, 2^5511555 is an apocalyptic number.

5511555 is a deficient number, since it is larger than the sum of its proper divisors (5407197).

5511555 is a wasteful number, since it uses less digits than its factorization.

5511555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17515 (or 17512 counting only the distinct ones).

The product of its digits is 3125, while the sum is 27.

The square root of 5511555 is about 2347.6701216312. The cubic root of 5511555 is about 176.6409459806.

The spelling of 5511555 in words is "five million, five hundred eleven thousand, five hundred fifty-five".