53891286 has 16 divisors (see below), whose sum is σ = 107894784. Its totient is φ = 17945064.

The previous prime is 53891267. The next prime is 53891291. The reversal of 53891286 is 68219835.

53891286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 2391 + ... + 10653.

It is an arithmetic number, because the mean of its divisors is an integer number (6743424).

Almost surely, 2^53891286 is an apocalyptic number.

53891286 is an abundant number, since it is smaller than the sum of its proper divisors (54003498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53891286 is a wasteful number, since it uses less digits than its factorization.

53891286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355.

The product of its digits is 103680, while the sum is 42.

The square root of 53891286 is about 7341.0684508456. The cubic root of 53891286 is about 377.7224944542.

The spelling of 53891286 in words is "fifty-three million, eight hundred ninety-one thousand, two hundred eighty-six".