53086905 has 24 divisors (see below), whose sum is σ = 92259648. Its totient is φ = 28238496.

The previous prime is 53086877. The next prime is 53086927. The reversal of 53086905 is 50968035.

It is not a de Polignac number, because 53086905 - 2⁷ = 53086777 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53086905.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18604 + ... + 21266.

It is an arithmetic number, because the mean of its divisors is an integer number (3844152).

Almost surely, 2^53086905 is an apocalyptic number.

It is an amenable number.

53086905 is a deficient number, since it is larger than the sum of its proper divisors (39172743).

53086905 is a wasteful number, since it uses less digits than its factorization.

53086905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3114 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 53086905 is about 7286.0761044612. The cubic root of 53086905 is about 375.8337714930.

The spelling of 53086905 in words is "fifty-three million, eighty-six thousand, nine hundred five".