53807085 has 20 divisors (see below), whose sum is σ = 96454908. Its totient is φ = 28696896.

The previous prime is 53807081. The next prime is 53807099. The reversal of 53807085 is 58070835.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40717161 + 13089924 = 6381^2 + 3618^2 .

It is not a de Polignac number, because 53807085 - 2² = 53807081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53807081) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66024 + ... + 66833.

Almost surely, 2^53807085 is an apocalyptic number.

It is an amenable number.

53807085 is a deficient number, since it is larger than the sum of its proper divisors (42647823).

53807085 is a wasteful number, since it uses less digits than its factorization.

53807085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132874 (or 132865 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 53807085 is about 7335.3312808625. The cubic root of 53807085 is about 377.5256711049.

The spelling of 53807085 in words is "fifty-three million, eight hundred seven thousand, eighty-five".