50878197 has 6 divisors (see below), whose sum is σ = 73490742. Its totient is φ = 33918792.

The previous prime is 50878187. The next prime is 50878211. The reversal of 50878197 is 79187805.

50878197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 31877316 + 19000881 = 5646^2 + 4359^2 .

It is not a de Polignac number, because 50878197 - 2⁸ = 50877941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50878117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2826558 + ... + 2826575.

It is an arithmetic number, because the mean of its divisors is an integer number (12248457).

Almost surely, 2^50878197 is an apocalyptic number.

It is an amenable number.

50878197 is a deficient number, since it is larger than the sum of its proper divisors (22612545).

50878197 is a wasteful number, since it uses less digits than its factorization.

50878197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653139 (or 5653136 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 50878197 is about 7132.8954149069. The cubic root of 50878197 is about 370.5475142176.

The spelling of 50878197 in words is "fifty million, eight hundred seventy-eight thousand, one hundred ninety-seven".