52144540523 has 4 divisors (see below), whose sum is σ = 53253998880. Its totient is φ = 51035082168.

The previous prime is 52144540507. The next prime is 52144540529. The reversal of 52144540523 is 32504544125.

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

It is a cyclic number.

It is not a de Polignac number, because 52144540523 - 2⁴ = 52144540507 is a prime.

It is a super-2 number, since 2×52144540523² (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 (52144540529) 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, 554729108 + ... + 554729201.

It is an arithmetic number, because the mean of its divisors is an integer number (13313499720).

Almost surely, 2^52144540523 is an apocalyptic number.

52144540523 is a deficient number, since it is larger than the sum of its proper divisors (1109458357).

52144540523 is a wasteful number, since it uses less digits than its factorization.

52144540523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109458356.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 52144540523 in words is "fifty-two billion, one hundred forty-four million, five hundred forty thousand, five hundred twenty-three".