52067909 has 8 divisors (see below), whose sum is σ = 53547480. Its totient is φ = 50598400.

The previous prime is 52067893. The next prime is 52067927. The reversal of 52067909 is 90976025.

It can be written as a sum of positive squares in 4 ways, for example, as 902500 + 51165409 = 950^2 + 7153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52067909 - 2⁴ = 52067893 is a prime.

It is a super-2 number, since 2×52067909² = 5422134295264562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52061909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8669 + ... + 13389.

It is an arithmetic number, because the mean of its divisors is an integer number (6693435).

Almost surely, 2^52067909 is an apocalyptic number.

It is an amenable number.

52067909 is a deficient number, since it is larger than the sum of its proper divisors (1479571).

52067909 is a wasteful number, since it uses less digits than its factorization.

52067909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 52067909 is about 7215.8096565805. The cubic root of 52067909 is about 373.4135264770.

The spelling of 52067909 in words is "fifty-two million, sixty-seven thousand, nine hundred nine".