50400878 has 16 divisors (see below), whose sum is σ = 83404080. Its totient is φ = 22651200.

The previous prime is 50400871. The next prime is 50400881. The reversal of 50400878 is 87800405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50400871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10913 + ... + 14828.

It is an arithmetic number, because the mean of its divisors is an integer number (5212755).

Almost surely, 2^50400878 is an apocalyptic number.

50400878 is a deficient number, since it is larger than the sum of its proper divisors (33003202).

50400878 is a wasteful number, since it uses less digits than its factorization.

50400878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25843.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 50400878 is about 7099.3575765699. The cubic root of 50400878 is about 369.3850950390.

The spelling of 50400878 in words is "fifty million, four hundred thousand, eight hundred seventy-eight".