53286881 has 4 divisors (see below), whose sum is σ = 53885700. Its totient is φ = 52688064.

The previous prime is 53286869. The next prime is 53286907. The reversal of 53286881 is 18868235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3936256 + 49350625 = 1984^2 + 7025^2 .

It is a cyclic number.

It is not a de Polignac number, because 53286881 - 2⁶ = 53286817 is a prime.

It is a super-2 number, since 2×53286881² = 5678983373416322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53286851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299276 + ... + 299453.

It is an arithmetic number, because the mean of its divisors is an integer number (13471425).

Almost surely, 2^53286881 is an apocalyptic number.

It is an amenable number.

53286881 is a deficient number, since it is larger than the sum of its proper divisors (598819).

53286881 is an equidigital number, since it uses as much as digits as its factorization.

53286881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598818.

The product of its digits is 92160, while the sum is 41.

The square root of 53286881 is about 7299.7863667370. The cubic root of 53286881 is about 376.3050965109.

The spelling of 53286881 in words is "fifty-three million, two hundred eighty-six thousand, eight hundred eighty-one".