52172724101 has 4 divisors (see below), whose sum is σ = 52175450412. Its totient is φ = 52169997792.

The previous prime is 52172724089. The next prime is 52172724133. The reversal of 52172724101 is 10142727125.

52172724101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26613028225 + 25559695876 = 163135^2 + 159874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52172724101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52172724161) 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, 1334246 + ... + 1372791.

It is an arithmetic number, because the mean of its divisors is an integer number (13043862603).

Almost surely, 2^52172724101 is an apocalyptic number.

It is an amenable number.

52172724101 is a deficient number, since it is larger than the sum of its proper divisors (2726311).

52172724101 is a wasteful number, since it uses less digits than its factorization.

52172724101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726310.

The product of its (nonzero) digits is 7840, while the sum is 32.

The spelling of 52172724101 in words is "fifty-two billion, one hundred seventy-two million, seven hundred twenty-four thousand, one hundred one".