5321543550 has 48 divisors (see below), whose sum is σ = 13328133552. Its totient is φ = 1405024000.

The previous prime is 5321543543. The next prime is 5321543551. The reversal of 5321543550 is 553451235.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5321543551) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 160479 + ... + 190778.

It is an arithmetic number, because the mean of its divisors is an integer number (277669449).

Almost surely, 2^5321543550 is an apocalyptic number.

5321543550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5321543550 is an abundant number, since it is smaller than the sum of its proper divisors (8006590002).

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

5321543550 is a wasteful number, since it uses less digits than its factorization.

5321543550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351373 (or 351368 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 5321543550 is about 72948.9105470397. The cubic root of 5321543550 is about 1745.8725641085.

Adding to 5321543550 its reverse (553451235), we get a palindrome (5874994785).

The spelling of 5321543550 in words is "five billion, three hundred twenty-one million, five hundred forty-three thousand, five hundred fifty".