5566490 has 16 divisors (see below), whose sum is σ = 10051560. Its totient is φ = 2219520.

The previous prime is 5566489. The next prime is 5566499. The reversal of 5566490 is 946655.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4721929 + 844561 = 2173^2 + 919^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5566490.

It is not an unprimeable number, because it can be changed into a prime (5566499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3410 + ... + 4770.

Almost surely, 2^5566490 is an apocalyptic number.

5566490 is a deficient number, since it is larger than the sum of its proper divisors (4485070).

5566490 is a wasteful number, since it uses less digits than its factorization.

5566490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 5566490 is about 2359.3410096889. The cubic root of 5566490 is about 177.2258811924.

The spelling of 5566490 in words is "five million, five hundred sixty-six thousand, four hundred ninety".