50877857 has 4 divisors (see below), whose sum is σ = 51637296. Its totient is φ = 50118420.

The previous prime is 50877823. The next prime is 50877887. The reversal of 50877857 is 75877805.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50877857 - 2¹⁸ = 50615713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50877887) 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, 379619 + ... + 379752.

It is an arithmetic number, because the mean of its divisors is an integer number (12909324).

Almost surely, 2^50877857 is an apocalyptic number.

It is an amenable number.

50877857 is a deficient number, since it is larger than the sum of its proper divisors (759439).

50877857 is an equidigital number, since it uses as much as digits as its factorization.

50877857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759438.

The product of its (nonzero) digits is 548800, while the sum is 47.

The square root of 50877857 is about 7132.8715816283. The cubic root of 50877857 is about 370.5466888055.

The spelling of 50877857 in words is "fifty million, eight hundred seventy-seven thousand, eight hundred fifty-seven".