53442351323331 has 16 divisors (see below), whose sum is σ = 72159868032000. Its totient is φ = 35176552152768.

The previous prime is 53442351323323. The next prime is 53442351323401. The reversal of 53442351323331 is 13332315324435.

It is not a de Polignac number, because 53442351323331 - 2³ = 53442351323323 is a prime.

It is a super-2 number, since 2×53442351323331² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53442351323321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10001970 + ... + 14384856.

It is an arithmetic number, because the mean of its divisors is an integer number (4509991752000).

Almost surely, 2^{53442351323331} is an apocalyptic number.

53442351323331 is a deficient number, since it is larger than the sum of its proper divisors (18717516708669).

53442351323331 is a wasteful number, since it uses less digits than its factorization.

53442351323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434418.

The product of its digits is 1166400, while the sum is 42.

Adding to 53442351323331 its reverse (13332315324435), we get a palindrome (66774666647766).

The spelling of 53442351323331 in words is "fifty-three trillion, four hundred forty-two billion, three hundred fifty-one million, three hundred twenty-three thousand, three hundred thirty-one".