5528271621 has 16 divisors (see below), whose sum is σ = 7537881600. Its totient is φ = 3602786928.

The previous prime is 5528271601. The next prime is 5528271631. The reversal of 5528271621 is 1261728255.

It is not a de Polignac number, because 5528271621 - 2⁹ = 5528271109 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5528271621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5528271601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55561 + ... + 118926.

It is an arithmetic number, because the mean of its divisors is an integer number (471117600).

Almost surely, 2^5528271621 is an apocalyptic number.

It is an amenable number.

5528271621 is a deficient number, since it is larger than the sum of its proper divisors (2009609979).

5528271621 is a wasteful number, since it uses less digits than its factorization.

5528271621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174728.

The product of its digits is 67200, while the sum is 39.

The square root of 5528271621 is about 74352.3477840478. The cubic root of 5528271621 is about 1768.1935052846.

Adding to 5528271621 its reverse (1261728255), we get a palindrome (6789999876).

The spelling of 5528271621 in words is "five billion, five hundred twenty-eight million, two hundred seventy-one thousand, six hundred twenty-one".