53022433521 has 8 divisors (see below), whose sum is σ = 70731952000. Its totient is φ = 35330602032.

The previous prime is 53022433487. The next prime is 53022433537. The reversal of 53022433521 is 12533422035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53022433521 - 2¹⁹ = 53021909233 is a prime.

It is a super-2 number, since 2×53022433521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53022433571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4414750 + ... + 4426743.

It is an arithmetic number, because the mean of its divisors is an integer number (8841494000).

Almost surely, 2^53022433521 is an apocalyptic number.

It is an amenable number.

53022433521 is a deficient number, since it is larger than the sum of its proper divisors (17709518479).

53022433521 is a wasteful number, since it uses less digits than its factorization.

53022433521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8843495.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 53022433521 its reverse (12533422035), we get a palindrome (65555855556).

The spelling of 53022433521 in words is "fifty-three billion, twenty-two million, four hundred thirty-three thousand, five hundred twenty-one".