5521690 has 16 divisors (see below), whose sum is σ = 10005192. Its totient is φ = 2193984.

The previous prime is 5521669. The next prime is 5521693. The reversal of 5521690 is 961255.

It can be written as a sum of positive squares in 4 ways, for example, as 5103081 + 418609 = 2259^2 + 647^2 .

It is a super-2 number, since 2×5521690² = 60978120912200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5521693) 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, 189 + ... + 3328.

Almost surely, 2^5521690 is an apocalyptic number.

5521690 is a deficient number, since it is larger than the sum of its proper divisors (4483502).

5521690 is a wasteful number, since it uses less digits than its factorization.

5521690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 5521690 is about 2349.8276532546. The cubic root of 5521690 is about 176.7491525733.

Multiplying 5521690 by its sum of digits (28), we get a triangular number (154607320 = T₁₇₅₈₄).

The spelling of 5521690 in words is "five million, five hundred twenty-one thousand, six hundred ninety".