5521512630 has 16 divisors (see below), whose sum is σ = 13251630384. Its totient is φ = 1472403360.

The previous prime is 5521512589. The next prime is 5521512709. The reversal of 5521512630 is 362151255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 184050421 = 5521512630 / (5 + 5 + 2 + 1 + 5 + 1 + 2 + 6 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92025181 + ... + 92025240.

It is an arithmetic number, because the mean of its divisors is an integer number (828226899).

Almost surely, 2^5521512630 is an apocalyptic number.

5521512630 is an abundant number, since it is smaller than the sum of its proper divisors (7730117754).

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

5521512630 is a wasteful number, since it uses less digits than its factorization.

5521512630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184050431.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 5521512630 is about 74306.8814444530. The cubic root of 5521512630 is about 1767.4726001673.

Adding to 5521512630 its reverse (362151255), we get a palindrome (5883663885).

The spelling of 5521512630 in words is "five billion, five hundred twenty-one million, five hundred twelve thousand, six hundred thirty".