50808813 has 8 divisors (see below), whose sum is σ = 73903776. Its totient is φ = 30793200.

The previous prime is 50808787. The next prime is 50808827. The reversal of 50808813 is 31880805.

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

It is not a de Polignac number, because 50808813 - 2⁸ = 50808557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1539661 = 50808813 / (5 + 0 + 8 + 0 + 8 + 8 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50808883) 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, 769798 + ... + 769863.

It is an arithmetic number, because the mean of its divisors is an integer number (9237972).

Almost surely, 2^50808813 is an apocalyptic number.

It is an amenable number.

50808813 is a deficient number, since it is larger than the sum of its proper divisors (23094963).

50808813 is a wasteful number, since it uses less digits than its factorization.

50808813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539675.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 50808813 is about 7128.0300925291. The cubic root of 50808813 is about 370.3789956360.

The spelling of 50808813 in words is "fifty million, eight hundred eight thousand, eight hundred thirteen".