5221500540 has 48 divisors (see below), whose sum is σ = 14762162688. Its totient is φ = 1378880064.

The previous prime is 5221500539. The next prime is 5221500589. The reversal of 5221500540 is 450051225.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5221500540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416272 + ... + 428631.

It is an arithmetic number, because the mean of its divisors is an integer number (307545056).

Almost surely, 2^5221500540 is an apocalyptic number.

It is an amenable number.

5221500540 is an abundant number, since it is smaller than the sum of its proper divisors (9540662148).

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

5221500540 is a wasteful number, since it uses less digits than its factorization.

5221500540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845018 (or 845016 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 5221500540 is about 72259.9511486134. The cubic root of 5221500540 is about 1734.8626976254.

Adding to 5221500540 its reverse (450051225), we get a palindrome (5671551765).

It can be divided in two parts, 5221500 and 540, that multiplied together give a square (2819610000 = 53100²).

The spelling of 5221500540 in words is "five billion, two hundred twenty-one million, five hundred thousand, five hundred forty".