5561650 has 24 divisors (see below), whose sum is σ = 10600884. Its totient is φ = 2169600.

The previous prime is 5561641. The next prime is 5561657. The reversal of 5561650 is 561655.

It can be written as a sum of positive squares in 6 ways, for example, as 2289169 + 3272481 = 1513^2 + 1809^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694 + ... + 3406.

Almost surely, 2^5561650 is an apocalyptic number.

5561650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5561650 is a deficient number, since it is larger than the sum of its proper divisors (5039234).

5561650 is a wasteful number, since it uses less digits than its factorization.

5561650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766 (or 2761 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 5561650 is about 2358.3150764900. The cubic root of 5561650 is about 177.1745009993.

The spelling of 5561650 in words is "five million, five hundred sixty-one thousand, six hundred fifty".