50993879 has 4 divisors (see below), whose sum is σ = 51011184. Its totient is φ = 50976576.

The previous prime is 50993869. The next prime is 50993893. The reversal of 50993879 is 97839905.

50993879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50993879 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 (50993809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (12752796).

Almost surely, 2^50993879 is an apocalyptic number.

50993879 is a deficient number, since it is larger than the sum of its proper divisors (17305).

50993879 is a wasteful number, since it uses less digits than its factorization.

50993879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17304.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 50993879 is about 7140.9998599636. Note that the first 3 decimals coincide. The cubic root of 50993879 is about 370.8281401901.

The spelling of 50993879 in words is "fifty million, nine hundred ninety-three thousand, eight hundred seventy-nine".