5455555 has 32 divisors (see below), whose sum is σ = 8118144. Its totient is φ = 3434496.

The previous prime is 5455547. The next prime is 5455561. The reversal of 5455555 is 5555545.

It is a cyclic number.

It is not a de Polignac number, because 5455555 - 2³ = 5455547 is a prime.

It is a Duffinian number.

5455555 is a modest number, since divided by 5555 gives 545 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 5455555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31449 + ... + 31621.

It is an arithmetic number, because the mean of its divisors is an integer number (253692).

Almost surely, 2^5455555 is an apocalyptic number.

5455555 is a deficient number, since it is larger than the sum of its proper divisors (2662589).

5455555 is a wasteful number, since it uses less digits than its factorization.

5455555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255.

The product of its digits is 62500, while the sum is 34.

The square root of 5455555 is about 2335.7129532543. The cubic root of 5455555 is about 176.0406564994.

The spelling of 5455555 in words is "five million, four hundred fifty-five thousand, five hundred fifty-five".