52250078173 has 4 divisors (see below), whose sum is σ = 52269382720. Its totient is φ = 52230773628.

The previous prime is 52250078161. The next prime is 52250078189. The reversal of 52250078173 is 37187005225.

It is a happy number.

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-52250078173 is a prime.

It is a super-2 number, since 2×52250078173² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52250078123) 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, 9648213 + ... + 9653626.

It is an arithmetic number, because the mean of its divisors is an integer number (13067345680).

Almost surely, 2^52250078173 is an apocalyptic number.

It is an amenable number.

52250078173 is a deficient number, since it is larger than the sum of its proper divisors (19304547).

52250078173 is a wasteful number, since it uses less digits than its factorization.

52250078173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19304546.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 52250078173 in words is "fifty-two billion, two hundred fifty million, seventy-eight thousand, one hundred seventy-three".