52135445051 has 4 divisors (see below), whose sum is σ = 52156649400. Its totient is φ = 52114240704.

The previous prime is 52135445041. The next prime is 52135445149. The reversal of 52135445051 is 15054453125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52135445051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52135445041) 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, 10598486 + ... + 10603403.

It is an arithmetic number, because the mean of its divisors is an integer number (13039162350).

Almost surely, 2^52135445051 is an apocalyptic number.

52135445051 is a deficient number, since it is larger than the sum of its proper divisors (21204349).

52135445051 is a wasteful number, since it uses less digits than its factorization.

52135445051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21204348.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 52135445051 its reverse (15054453125), we get a palindrome (67189898176).

The spelling of 52135445051 in words is "fifty-two billion, one hundred thirty-five million, four hundred forty-five thousand, fifty-one".