52421335253 has 4 divisors (see below), whose sum is σ = 59910097440. Its totient is φ = 44932573068.

The previous prime is 52421335223. The next prime is 52421335277. The reversal of 52421335253 is 35253312425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52421335253 - 2⁶ = 52421335189 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 (52421335223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3744381083 + ... + 3744381096.

It is an arithmetic number, because the mean of its divisors is an integer number (14977524360).

Almost surely, 2^52421335253 is an apocalyptic number.

It is an amenable number.

52421335253 is a deficient number, since it is larger than the sum of its proper divisors (7488762187).

52421335253 is an equidigital number, since it uses as much as digits as its factorization.

52421335253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7488762186.

The product of its digits is 108000, while the sum is 35.

Adding to 52421335253 its reverse (35253312425), we get a palindrome (87674647678).

The spelling of 52421335253 in words is "fifty-two billion, four hundred twenty-one million, three hundred thirty-five thousand, two hundred fifty-three".