52073122728 has 64 divisors (see below), whose sum is σ = 142039235520. Its totient is φ = 15777331200.

The previous prime is 52073122727. The next prime is 52073122747. The reversal of 52073122728 is 82722137025.

It is a super-2 number, since 2×52073122728² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52073122723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2549838 + ... + 2570178.

It is an arithmetic number, because the mean of its divisors is an integer number (2219363055).

Almost surely, 2^52073122728 is an apocalyptic number.

It is an amenable number.

52073122728 is an abundant number, since it is smaller than the sum of its proper divisors (89966112792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52073122728 is a wasteful number, since it uses less digits than its factorization.

52073122728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30058 (or 30054 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 52073122728 in words is "fifty-two billion, seventy-three million, one hundred twenty-two thousand, seven hundred twenty-eight".