52535344021 has 8 divisors (see below), whose sum is σ = 53061149088. Its totient is φ = 52009650000.

The previous prime is 52535343989. The next prime is 52535344049. The reversal of 52535344021 is 12044353525.

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

It is a cyclic number.

It is not a de Polignac number, because 52535344021 - 2⁵ = 52535343989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52535344051) 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, 1187346 + ... + 1230796.

It is an arithmetic number, because the mean of its divisors is an integer number (6632643636).

Almost surely, 2^52535344021 is an apocalyptic number.

It is an amenable number.

52535344021 is a deficient number, since it is larger than the sum of its proper divisors (525805067).

52535344021 is a wasteful number, since it uses less digits than its factorization.

52535344021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55523.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 52535344021 its reverse (12044353525), we get a palindrome (64579697546).

The spelling of 52535344021 in words is "fifty-two billion, five hundred thirty-five million, three hundred forty-four thousand, twenty-one".