50957878 has 4 divisors (see below), whose sum is σ = 76436820. Its totient is φ = 25478938.

The previous prime is 50957873. The next prime is 50957897. The reversal of 50957878 is 87875905.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50957873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12739468 + ... + 12739471.

It is an arithmetic number, because the mean of its divisors is an integer number (19109205).

Almost surely, 2^50957878 is an apocalyptic number.

50957878 is a deficient number, since it is larger than the sum of its proper divisors (25478942).

50957878 is a wasteful number, since it uses less digits than its factorization.

50957878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25478941.

The product of its (nonzero) digits is 705600, while the sum is 49.

The square root of 50957878 is about 7138.4786894688. The cubic root of 50957878 is about 370.7408530683.

The spelling of 50957878 in words is "fifty million, nine hundred fifty-seven thousand, eight hundred seventy-eight".