53086481 has 8 divisors (see below), whose sum is σ = 60831744. Its totient is φ = 45381600.

The previous prime is 53086471. The next prime is 53086493. The reversal of 53086481 is 18468035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53086481 is a prime.

It is a super-2 number, since 2×53086481² = 5636348929926722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53086421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7220 + ... + 12581.

It is an arithmetic number, because the mean of its divisors is an integer number (7603968).

Almost surely, 2^53086481 is an apocalyptic number.

It is an amenable number.

53086481 is a deficient number, since it is larger than the sum of its proper divisors (7745263).

53086481 is a wasteful number, since it uses less digits than its factorization.

53086481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 53086481 is about 7286.0470078088. The cubic root of 53086481 is about 375.8327709076.

The spelling of 53086481 in words is "fifty-three million, eighty-six thousand, four hundred eighty-one".