52729165 has 4 divisors (see below), whose sum is σ = 63275004. Its totient is φ = 42183328.

The previous prime is 52729147. The next prime is 52729169. The reversal of 52729165 is 56192725.

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 14152644 + 38576521 = 3762^2 + 6211^2 .

It is a cyclic number.

It is not a de Polignac number, because 52729165 - 2⁹ = 52728653 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 (52729169) 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, 5272912 + ... + 5272921.

It is an arithmetic number, because the mean of its divisors is an integer number (15818751).

Almost surely, 2^52729165 is an apocalyptic number.

It is an amenable number.

52729165 is a deficient number, since it is larger than the sum of its proper divisors (10545839).

52729165 is a wasteful number, since it uses less digits than its factorization.

52729165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10545838.

The product of its digits is 37800, while the sum is 37.

The square root of 52729165 is about 7261.4850409541. The cubic root of 52729165 is about 374.9876499636.

It can be divided in two parts, 527 and 29165, that added together give a palindrome (29692).

The spelling of 52729165 in words is "fifty-two million, seven hundred twenty-nine thousand, one hundred sixty-five".