50878143 has 12 divisors (see below), whose sum is σ = 77358840. Its totient is φ = 32133456.

The previous prime is 50878117. The next prime is 50878147. The reversal of 50878143 is 34187805.

50878143 is a `hidden beast` number, since 508 + 7 + 8 + 143 = 666.

It is not a de Polignac number, because 50878143 - 2⁸ = 50877887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50878098 and 50878107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50878147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148596 + ... + 148937.

It is an arithmetic number, because the mean of its divisors is an integer number (6446570).

Almost surely, 2^50878143 is an apocalyptic number.

50878143 is a deficient number, since it is larger than the sum of its proper divisors (26480697).

50878143 is a wasteful number, since it uses less digits than its factorization.

50878143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297558 (or 297555 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 50878143 is about 7132.8916296268. The cubic root of 50878143 is about 370.5473831229.

The spelling of 50878143 in words is "fifty million, eight hundred seventy-eight thousand, one hundred forty-three".