50813837 has 4 divisors (see below), whose sum is σ = 50838396. Its totient is φ = 50789280.

The previous prime is 50813821. The next prime is 50813869. The reversal of 50813837 is 73831805.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73831805 = 5 ⋅14766361.

It can be written as a sum of positive squares in 2 ways, for example, as 36893476 + 13920361 = 6074^2 + 3731^2 .

It is a cyclic number.

It is not a de Polignac number, because 50813837 - 2⁴ = 50813821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50813797 and 50813806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50813897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8858 + ... + 13419.

It is an arithmetic number, because the mean of its divisors is an integer number (12709599).

Almost surely, 2^50813837 is an apocalyptic number.

It is an amenable number.

50813837 is a deficient number, since it is larger than the sum of its proper divisors (24559).

50813837 is a wasteful number, since it uses less digits than its factorization.

50813837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24558.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 50813837 is about 7128.3824953491. The cubic root of 50813837 is about 370.3912029851.

The spelling of 50813837 in words is "fifty million, eight hundred thirteen thousand, eight hundred thirty-seven".