52745137 has 4 divisors (see below), whose sum is σ = 53130276. Its totient is φ = 52360000.

The previous prime is 52745131. The next prime is 52745179. The reversal of 52745137 is 73154725.

52745137 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 34117281 + 18627856 = 5841^2 + 4316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52745137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52745131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192364 + ... + 192637.

It is an arithmetic number, because the mean of its divisors is an integer number (13282569).

Almost surely, 2^52745137 is an apocalyptic number.

It is an amenable number.

52745137 is a deficient number, since it is larger than the sum of its proper divisors (385139).

52745137 is a wasteful number, since it uses less digits than its factorization.

52745137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385138.

The product of its digits is 29400, while the sum is 34.

The square root of 52745137 is about 7262.5847327243. The cubic root of 52745137 is about 375.0255081908.

The spelling of 52745137 in words is "fifty-two million, seven hundred forty-five thousand, one hundred thirty-seven".