5521630 has 16 divisors (see below), whose sum is σ = 10170864. Its totient is φ = 2157120.

The previous prime is 5521603. The next prime is 5521631. The reversal of 5521630 is 361255.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521631) 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, 5991 + ... + 6850.

It is an arithmetic number, because the mean of its divisors is an integer number (635679).

Almost surely, 2^5521630 is an apocalyptic number.

5521630 is a deficient number, since it is larger than the sum of its proper divisors (4649234).

5521630 is a wasteful number, since it uses less digits than its factorization.

5521630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12891.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5521630 is about 2349.8148863262. The cubic root of 5521630 is about 176.7485123716.

Adding to 5521630 its reverse (361255), we get a palindrome (5882885).

The spelling of 5521630 in words is "five million, five hundred twenty-one thousand, six hundred thirty".