50505878 has 32 divisors (see below), whose sum is σ = 83734560. Its totient is φ = 22740480.

The previous prime is 50505877. The next prime is 50505893. The reversal of 50505878 is 87850505.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178325 + ... + 178607.

It is an arithmetic number, because the mean of its divisors is an integer number (2616705).

Almost surely, 2^50505878 is an apocalyptic number.

50505878 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

50505878 is a deficient number, since it is larger than the sum of its proper divisors (33228682).

50505878 is a wasteful number, since it uses less digits than its factorization.

50505878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 56000, while the sum is 38.

The square root of 50505878 is about 7106.7487643788. The cubic root of 50505878 is about 369.6414300724.

The spelling of 50505878 in words is "fifty million, five hundred five thousand, eight hundred seventy-eight".