50051311 has 4 divisors (see below), whose sum is σ = 50083072. Its totient is φ = 50019552.

The previous prime is 50051299. The next prime is 50051327. The reversal of 50051311 is 11315005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50051311 - 2⁹ = 50050799 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 (50051341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13386 + ... + 16711.

It is an arithmetic number, because the mean of its divisors is an integer number (12520768).

Almost surely, 2^50051311 is an apocalyptic number.

50051311 is a deficient number, since it is larger than the sum of its proper divisors (31761).

50051311 is a wasteful number, since it uses less digits than its factorization.

50051311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31760.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 50051311 is about 7074.6951171058. The cubic root of 50051311 is about 368.5291276737.

Adding to 50051311 its reverse (11315005), we get a palindrome (61366316).

The spelling of 50051311 in words is "fifty million, fifty-one thousand, three hundred eleven".