52165427 has 4 divisors (see below), whose sum is σ = 52343760. Its totient is φ = 51987096.

The previous prime is 52165397. The next prime is 52165429. The reversal of 52165427 is 72456125.

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

It is a cyclic number.

It is not a de Polignac number, because 52165427 - 2⁶ = 52165363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52165393 and 52165402.

It is not an unprimeable number, because it can be changed into a prime (52165429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88727 + ... + 89312.

It is an arithmetic number, because the mean of its divisors is an integer number (13085940).

Almost surely, 2^52165427 is an apocalyptic number.

52165427 is a deficient number, since it is larger than the sum of its proper divisors (178333).

52165427 is a wasteful number, since it uses less digits than its factorization.

52165427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178332.

The product of its digits is 16800, while the sum is 32.

The square root of 52165427 is about 7222.5637414979. The cubic root of 52165427 is about 373.6465031863.

The spelling of 52165427 in words is "fifty-two million, one hundred sixty-five thousand, four hundred twenty-seven".