50570878 has 4 divisors (see below), whose sum is σ = 75856320. Its totient is φ = 25285438.

The previous prime is 50570873. The next prime is 50570887. The reversal of 50570878 is 87807505.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 50570878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50570873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12642718 + ... + 12642721.

It is an arithmetic number, because the mean of its divisors is an integer number (18964080).

Almost surely, 2^50570878 is an apocalyptic number.

50570878 is a deficient number, since it is larger than the sum of its proper divisors (25285442).

50570878 is a wasteful number, since it uses less digits than its factorization.

50570878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25285441.

The product of its (nonzero) digits is 78400, while the sum is 40.

The square root of 50570878 is about 7111.3204118504. The cubic root of 50570878 is about 369.7999356694.

The spelling of 50570878 in words is "fifty million, five hundred seventy thousand, eight hundred seventy-eight".