53086881 has 16 divisors (see below), whose sum is σ = 71668800. Its totient is φ = 34951488.

The previous prime is 53086877. The next prime is 53086927. The reversal of 53086881 is 18868035.

It is a happy number.

It is not a de Polignac number, because 53086881 - 2² = 53086877 is a prime.

It is a super-2 number, since 2×53086881² = 5636433868616322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53086861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126490 + ... + 126908.

It is an arithmetic number, because the mean of its divisors is an integer number (4479300).

Almost surely, 2^53086881 is an apocalyptic number.

It is an amenable number.

53086881 is a deficient number, since it is larger than the sum of its proper divisors (18581919).

53086881 is a wasteful number, since it uses less digits than its factorization.

53086881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 53086881 is about 7286.0744574839. The cubic root of 53086881 is about 375.8337148563.

The spelling of 53086881 in words is "fifty-three million, eighty-six thousand, eight hundred eighty-one".