50787879 has 4 divisors (see below), whose sum is σ = 67717176. Its totient is φ = 33858584.

The previous prime is 50787851. The next prime is 50787883. The reversal of 50787879 is 97878705.

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 50787879 - 2⁸ = 50787623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50787179) 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, 8464644 + ... + 8464649.

It is an arithmetic number, because the mean of its divisors is an integer number (16929294).

Almost surely, 2^50787879 is an apocalyptic number.

50787879 is a deficient number, since it is larger than the sum of its proper divisors (16929297).

50787879 is a wasteful number, since it uses less digits than its factorization.

50787879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16929296.

The product of its (nonzero) digits is 987840, while the sum is 51.

The square root of 50787879 is about 7126.5615131001. The cubic root of 50787879 is about 370.3281213977.

The spelling of 50787879 in words is "fifty million, seven hundred eighty-seven thousand, eight hundred seventy-nine".