5571655 has 16 divisors (see below), whose sum is σ = 7096320. Its totient is φ = 4187808.

The previous prime is 5571649. The next prime is 5571659. The reversal of 5571655 is 5561755.

It is a cyclic number.

It is not a de Polignac number, because 5571655 - 2⁵ = 5571623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5571655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5571659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21054 + ... + 21316.

It is an arithmetic number, because the mean of its divisors is an integer number (443520).

Almost surely, 2^5571655 is an apocalyptic number.

5571655 is a deficient number, since it is larger than the sum of its proper divisors (1524665).

5571655 is a wasteful number, since it uses less digits than its factorization.

5571655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510.

The product of its digits is 26250, while the sum is 34.

The square root of 5571655 is about 2360.4353412030. The cubic root of 5571655 is about 177.2806786623.

It can be divided in two parts, 5571 and 655, that added together give a palindrome (6226).

The spelling of 5571655 in words is "five million, five hundred seventy-one thousand, six hundred fifty-five".