50820215 has 8 divisors (see below), whose sum is σ = 61039248. Its totient is φ = 40619520.

The previous prime is 50820169. The next prime is 50820223. The reversal of 50820215 is 51202805.

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

It is a de Polignac number, because none of the positive numbers 2^k-50820215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519 + ... + 10391.

It is an arithmetic number, because the mean of its divisors is an integer number (7629906).

Almost surely, 2^50820215 is an apocalyptic number.

50820215 is a deficient number, since it is larger than the sum of its proper divisors (10219033).

50820215 is a wasteful number, since it uses less digits than its factorization.

50820215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9169.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 50820215 is about 7128.8298478783. The cubic root of 50820215 is about 370.4066991334.

The spelling of 50820215 in words is "fifty million, eight hundred twenty thousand, two hundred fifteen".