5221254550 has 24 divisors (see below), whose sum is σ = 9714005496. Its totient is φ = 2087970240.

The previous prime is 5221254529. The next prime is 5221254551. The reversal of 5221254550 is 554521225.

It is a happy number.

It is a super-2 number, since 2×5221254550² = 54522998151791405000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221254551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228757 + ... + 250543.

It is an arithmetic number, because the mean of its divisors is an integer number (404750229).

Almost surely, 2^5221254550 is an apocalyptic number.

5221254550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5221254550 is a deficient number, since it is larger than the sum of its proper divisors (4492750946).

5221254550 is a wasteful number, since it uses less digits than its factorization.

5221254550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26592 (or 26587 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 5221254550 is about 72258.2490100611. The cubic root of 5221254550 is about 1734.8354535044.

Adding to 5221254550 its reverse (554521225), we get a palindrome (5775775775).

The spelling of 5221254550 in words is "five billion, two hundred twenty-one million, two hundred fifty-four thousand, five hundred fifty".