53186385 has 16 divisors (see below), whose sum is σ = 97255296. Its totient is φ = 24313728.

The previous prime is 53186369. The next prime is 53186417. The reversal of 53186385 is 58368135.

It is not a de Polignac number, because 53186385 - 2⁴ = 53186369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253164 + ... + 253373.

It is an arithmetic number, because the mean of its divisors is an integer number (6078456).

Almost surely, 2^53186385 is an apocalyptic number.

It is an amenable number.

53186385 is a deficient number, since it is larger than the sum of its proper divisors (44068911).

53186385 is a wasteful number, since it uses less digits than its factorization.

53186385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506552.

The product of its digits is 86400, while the sum is 39.

The square root of 53186385 is about 7292.8996290913. The cubic root of 53186385 is about 376.0683843667.

The spelling of 53186385 in words is "fifty-three million, one hundred eighty-six thousand, three hundred eighty-five".