5566890 has 64 divisors (see below), whose sum is σ = 15609600. Its totient is φ = 1270080.

The previous prime is 5566879. The next prime is 5566901. The reversal of 5566890 is 986655.

It is an interprime number because it is at equal distance from previous prime (5566879) and next prime (5566901).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10020 + ... + 10560.

It is an arithmetic number, because the mean of its divisors is an integer number (243900).

Almost surely, 2^5566890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5566890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7804800).

5566890 is an abundant number, since it is smaller than the sum of its proper divisors (10042710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5566890 is a wasteful number, since it uses less digits than its factorization.

5566890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 5566890 is about 2359.4257775993. The cubic root of 5566890 is about 177.2301261567.

The spelling of 5566890 in words is "five million, five hundred sixty-six thousand, eight hundred ninety".