5591650 has 12 divisors (see below), whose sum is σ = 10400562. Its totient is φ = 2236640.

The previous prime is 5591617. The next prime is 5591653. The reversal of 5591650 is 561955.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3538161 + 2053489 = 1881^2 + 1433^2 .

It is not an unprimeable number, because it can be changed into a prime (5591653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55867 + ... + 55966.

Almost surely, 2^5591650 is an apocalyptic number.

5591650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5591650 is a deficient number, since it is larger than the sum of its proper divisors (4808912).

5591650 is a wasteful number, since it uses less digits than its factorization.

5591650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111845 (or 111840 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 5591650 is about 2364.6669955831. Note that the first 3 decimals coincide. The cubic root of 5591650 is about 177.4924945580.

It can be divided in two parts, 5591 and 650, that added together give a square (6241 = 79²).

The spelling of 5591650 in words is "five million, five hundred ninety-one thousand, six hundred fifty".