50797813 has 8 divisors (see below), whose sum is σ = 55482336. Its totient is φ = 46124400.

The previous prime is 50797771. The next prime is 50797837. The reversal of 50797813 is 31879705.

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

It is a cyclic number.

It is not a de Polignac number, because 50797813 - 2⁹ = 50797301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50797883) 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, 8970 + ... + 13492.

It is an arithmetic number, because the mean of its divisors is an integer number (6935292).

Almost surely, 2^50797813 is an apocalyptic number.

It is an amenable number.

50797813 is a deficient number, since it is larger than the sum of its proper divisors (4684523).

50797813 is a wasteful number, since it uses less digits than its factorization.

50797813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 50797813 is about 7127.2584490812. The cubic root of 50797813 is about 370.3522649519.

The spelling of 50797813 in words is "fifty million, seven hundred ninety-seven thousand, eight hundred thirteen".