5526021630 has 128 divisors (see below), whose sum is σ = 14415667200. Its totient is φ = 1351494144.

The previous prime is 5526021619. The next prime is 5526021637. The reversal of 5526021630 is 361206255.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5526021637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3140691 + ... + 3142449.

It is an arithmetic number, because the mean of its divisors is an integer number (112622400).

Almost surely, 2^5526021630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5526021630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7207833600).

5526021630 is an abundant number, since it is smaller than the sum of its proper divisors (8889645570).

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

5526021630 is a wasteful number, since it uses less digits than its factorization.

5526021630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 5526021630 is about 74337.2156460006. The cubic root of 5526021630 is about 1767.9535894723.

Adding to 5526021630 its reverse (361206255), we get a palindrome (5887227885).

The spelling of 5526021630 in words is "five billion, five hundred twenty-six million, twenty-one thousand, six hundred thirty".