5655555 has 16 divisors (see below), whose sum is σ = 10054560. Its totient is φ = 3016224.

The previous prime is 5655541. The next prime is 5655569. The reversal of 5655555 is 5555565.

5655555 is a `hidden beast` number, since 56 + 55 + 555 = 666.

It is an interprime number because it is at equal distance from previous prime (5655541) and next prime (5655569).

It is not a de Polignac number, because 5655555 - 2⁵ = 5655523 is a prime.

It is an Ulam number.

5655555 is a modest number, since divided by 5555 gives 565 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20812 + ... + 21081.

It is an arithmetic number, because the mean of its divisors is an integer number (628410).

Almost surely, 2^5655555 is an apocalyptic number.

5655555 is a deficient number, since it is larger than the sum of its proper divisors (4399005).

5655555 is a wasteful number, since it uses less digits than its factorization.

5655555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41907 (or 41901 counting only the distinct ones).

The product of its digits is 93750, while the sum is 36.

The square root of 5655555 is about 2378.1410807603. The cubic root of 5655555 is about 178.1661013187.

It can be divided in two parts, 56 and 55555, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 5655555 in words is "five million, six hundred fifty-five thousand, five hundred fifty-five".