53132322243 has 144 divisors (see below), whose sum is σ = 99192957696. Its totient is φ = 24867319680.

The previous prime is 53132322197. The next prime is 53132322251. The reversal of 53132322243 is 34222323135.

It is a happy number.

It is not a de Polignac number, because 53132322243 - 2⁶ = 53132322179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53132322243.

It is not an unprimeable number, because it can be changed into a prime (53132322253) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 38867146 + ... + 38868512.

It is an arithmetic number, because the mean of its divisors is an integer number (688839984).

Almost surely, 2^53132322243 is an apocalyptic number.

53132322243 is a deficient number, since it is larger than the sum of its proper divisors (46060635453).

53132322243 is a wasteful number, since it uses less digits than its factorization.

53132322243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494 (or 1444 counting only the distinct ones).

The product of its digits is 25920, while the sum is 30.

Adding to 53132322243 its reverse (34222323135), we get a palindrome (87354645378).

The spelling of 53132322243 in words is "fifty-three billion, one hundred thirty-two million, three hundred twenty-two thousand, two hundred forty-three".