52169389 has 4 divisors (see below), whose sum is σ = 53279424. Its totient is φ = 51059356.

The previous prime is 52169387. The next prime is 52169419. The reversal of 52169389 is 98396125.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52169389 - 2¹ = 52169387 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 (52169387) 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, 554947 + ... + 555040.

It is an arithmetic number, because the mean of its divisors is an integer number (13319856).

Almost surely, 2^52169389 is an apocalyptic number.

It is an amenable number.

52169389 is a deficient number, since it is larger than the sum of its proper divisors (1110035).

52169389 is a wasteful number, since it uses less digits than its factorization.

52169389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110034.

The product of its digits is 116640, while the sum is 43.

The square root of 52169389 is about 7222.8380156279. The cubic root of 52169389 is about 373.6559625163.

The spelling of 52169389 in words is "fifty-two million, one hundred sixty-nine thousand, three hundred eighty-nine".