50776891 has 8 divisors (see below), whose sum is σ = 55453104. Its totient is φ = 46110720.

The previous prime is 50776871. The next prime is 50776907. The reversal of 50776891 is 19867705.

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 50776891 - 2⁷ = 50776763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50776861) 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, 11491 + ... + 15283.

It is an arithmetic number, because the mean of its divisors is an integer number (6931638).

Almost surely, 2^50776891 is an apocalyptic number.

50776891 is a deficient number, since it is larger than the sum of its proper divisors (4676213).

50776891 is a wasteful number, since it uses less digits than its factorization.

50776891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 50776891 is about 7125.7905526334. The cubic root of 50776891 is about 370.3014125387.

The spelling of 50776891 in words is "fifty million, seven hundred seventy-six thousand, eight hundred ninety-one".