5321255520 has 576 divisors, whose sum is σ = 20904500736. Its totient is φ = 1113661440.

The previous prime is 5321255507. The next prime is 5321255521. The reversal of 5321255520 is 255521235.

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 (5321255521) 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 95 ways as a sum of consecutive naturals, for example, 49731307 + ... + 49731413.

It is an arithmetic number, because the mean of its divisors is an integer number (36292536).

Almost surely, 2^5321255520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5321255520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10452250368).

5321255520 is an abundant number, since it is smaller than the sum of its proper divisors (15583245216).

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

5321255520 is a wasteful number, since it uses less digits than its factorization.

5321255520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 5321255520 is about 72946.9363304587. The cubic root of 5321255520 is about 1745.8410649302.

Adding to 5321255520 its reverse (255521235), we get a palindrome (5576776755).

The spelling of 5321255520 in words is "five billion, three hundred twenty-one million, two hundred fifty-five thousand, five hundred twenty".