53285939 has 16 divisors (see below), whose sum is σ = 64836288. Its totient is φ = 42749952.

The previous prime is 53285933. The next prime is 53285959. The reversal of 53285939 is 93958235.

It is not a de Polignac number, because 53285939 - 2⁴ = 53285923 is a prime.

It is a super-2 number, since 2×53285939² = 5678782590223442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53285939.

It is not an unprimeable number, because it can be changed into a prime (53285933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22307 + ... + 24579.

It is an arithmetic number, because the mean of its divisors is an integer number (4052268).

Almost surely, 2^53285939 is an apocalyptic number.

53285939 is a deficient number, since it is larger than the sum of its proper divisors (11550349).

53285939 is a wasteful number, since it uses less digits than its factorization.

53285939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494.

The product of its digits is 291600, while the sum is 44.

The square root of 53285939 is about 7299.7218440157. The cubic root of 53285939 is about 376.3028790703.

The spelling of 53285939 in words is "fifty-three million, two hundred eighty-five thousand, nine hundred thirty-nine".