52894209 has 4 divisors (see below), whose sum is σ = 70525616. Its totient is φ = 35262804.

The previous prime is 52894207. The next prime is 52894211. The reversal of 52894209 is 90249825.

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 an interprime number because it is at equal distance from previous prime (52894207) and next prime (52894211).

It is not a de Polignac number, because 52894209 - 2¹ = 52894207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52894207) 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, 8815699 + ... + 8815704.

It is an arithmetic number, because the mean of its divisors is an integer number (17631404).

Almost surely, 2^52894209 is an apocalyptic number.

It is an amenable number.

52894209 is a deficient number, since it is larger than the sum of its proper divisors (17631407).

52894209 is a wasteful number, since it uses less digits than its factorization.

52894209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17631406.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 52894209 is about 7272.8405042322. The cubic root of 52894209 is about 375.3784836496.

The spelling of 52894209 in words is "fifty-two million, eight hundred ninety-four thousand, two hundred nine".