53785585 has 12 divisors (see below), whose sum is σ = 75080628. Its totient is φ = 36881376.

The previous prime is 53785579. The next prime is 53785601. The reversal of 53785585 is 58558735.

It can be written as a sum of positive squares in 2 ways, for example, as 39337984 + 14447601 = 6272^2 + 3801^2 .

It is not a de Polignac number, because 53785585 - 2²⁵ = 20231153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109522 + ... + 110011.

It is an arithmetic number, because the mean of its divisors is an integer number (6256719).

Almost surely, 2^53785585 is an apocalyptic number.

It is an amenable number.

53785585 is a deficient number, since it is larger than the sum of its proper divisors (21295043).

53785585 is a wasteful number, since it uses less digits than its factorization.

53785585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219552 (or 219545 counting only the distinct ones).

The product of its digits is 840000, while the sum is 46.

The square root of 53785585 is about 7333.8656246212. The cubic root of 53785585 is about 377.4753810531.

The spelling of 53785585 in words is "fifty-three million, seven hundred eighty-five thousand, five hundred eighty-five".