53261886 has 16 divisors (see below), whose sum is σ = 107031168. Its totient is φ = 17669400.

The previous prime is 53261863. The next prime is 53261899. The reversal of 53261886 is 68816235.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19770 + ... + 22301.

It is an arithmetic number, because the mean of its divisors is an integer number (6689448).

Almost surely, 2^53261886 is an apocalyptic number.

53261886 is an abundant number, since it is smaller than the sum of its proper divisors (53769282).

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

53261886 is a wasteful number, since it uses less digits than its factorization.

53261886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42287.

The product of its digits is 69120, while the sum is 39.

The square root of 53261886 is about 7298.0741295221. The cubic root of 53261886 is about 376.2462501512.

The spelling of 53261886 in words is "fifty-three million, two hundred sixty-one thousand, eight hundred eighty-six".