5691555 has 24 divisors (see below), whose sum is σ = 9996480. Its totient is φ = 2995200.

The previous prime is 5691551. The next prime is 5691563. The reversal of 5691555 is 5551965.

It is not a de Polignac number, because 5691555 - 2² = 5691551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5691551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2755 + ... + 4355.

It is an arithmetic number, because the mean of its divisors is an integer number (416520).

Almost surely, 2^5691555 is an apocalyptic number.

5691555 is a deficient number, since it is larger than the sum of its proper divisors (4304925).

5691555 is a wasteful number, since it uses less digits than its factorization.

5691555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 1688 counting only the distinct ones).

The product of its digits is 33750, while the sum is 36.

The square root of 5691555 is about 2385.6980110651. The cubic root of 5691555 is about 178.5433362284.

The spelling of 5691555 in words is "five million, six hundred ninety-one thousand, five hundred fifty-five".