53891285 has 16 divisors (see below), whose sum is σ = 74131200. Its totient is φ = 36842496.

The previous prime is 53891267. The next prime is 53891291. The reversal of 53891285 is 58219835.

53891285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53891285 - 2⁶ = 53891221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10421 + ... + 14709.

It is an arithmetic number, because the mean of its divisors is an integer number (4633200).

Almost surely, 2^53891285 is an apocalyptic number.

It is an amenable number.

53891285 is a deficient number, since it is larger than the sum of its proper divisors (20239915).

53891285 is a wasteful number, since it uses less digits than its factorization.

53891285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660.

The product of its digits is 86400, while the sum is 41.

The square root of 53891285 is about 7341.0683827356. The cubic root of 53891285 is about 377.7224921179.

The spelling of 53891285 in words is "fifty-three million, eight hundred ninety-one thousand, two hundred eighty-five".