53805807 has 36 divisors (see below), whose sum is σ = 87357816. Its totient is φ = 31648320.

The previous prime is 53805769. The next prime is 53805821. The reversal of 53805807 is 70850835.

It is a happy number.

It is not a de Polignac number, because 53805807 - 2⁶ = 53805743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53805887) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 135333 + ... + 135729.

It is an arithmetic number, because the mean of its divisors is an integer number (2426606).

Almost surely, 2^53805807 is an apocalyptic number.

53805807 is a deficient number, since it is larger than the sum of its proper divisors (33552009).

53805807 is a wasteful number, since it uses less digits than its factorization.

53805807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 448 counting only the distinct ones).

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

The square root of 53805807 is about 7335.2441677152. The cubic root of 53805807 is about 377.5226821451.

The spelling of 53805807 in words is "fifty-three million, eight hundred five thousand, eight hundred seven".