5566761 has 24 divisors (see below), whose sum is σ = 8407880. Its totient is φ = 3545856.

The previous prime is 5566751. The next prime is 5566777. The reversal of 5566761 is 1676655.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3493161 + 2073600 = 1869^2 + 1440^2 .

It is not a de Polignac number, because 5566761 - 2⁶ = 5566697 is a prime.

It is a super-2 number, since 2×5566761² = 61977656062242, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5566741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24195 + ... + 24423.

Almost surely, 2^5566761 is an apocalyptic number.

It is an amenable number.

5566761 is a deficient number, since it is larger than the sum of its proper divisors (2841119).

5566761 is a wasteful number, since it uses less digits than its factorization.

5566761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 342 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 5566761 is about 2359.3984402809. The cubic root of 5566761 is about 177.2287571779.

The spelling of 5566761 in words is "five million, five hundred sixty-six thousand, seven hundred sixty-one".