52126565453 has 4 divisors (see below), whose sum is σ = 54392937888. Its totient is φ = 49860193020.

The previous prime is 52126565443. The next prime is 52126565473. The reversal of 52126565453 is 35456562125.

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 a de Polignac number, because none of the positive numbers 2^k-52126565453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52126565443) 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, 1133186183 + ... + 1133186228.

It is an arithmetic number, because the mean of its divisors is an integer number (13598234472).

Almost surely, 2^52126565453 is an apocalyptic number.

It is an amenable number.

52126565453 is a deficient number, since it is larger than the sum of its proper divisors (2266372435).

52126565453 is a wasteful number, since it uses less digits than its factorization.

52126565453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266372434.

The product of its digits is 1080000, while the sum is 44.

The spelling of 52126565453 in words is "fifty-two billion, one hundred twenty-six million, five hundred sixty-five thousand, four hundred fifty-three".