50278420 has 24 divisors (see below), whose sum is σ = 106614144. Its totient is φ = 19915296.

The previous prime is 50278399. The next prime is 50278429. The reversal of 50278420 is 2487205.

50278420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50278429) 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 7 ways as a sum of consecutive naturals, for example, 10144 + ... + 14263.

It is an arithmetic number, because the mean of its divisors is an integer number (4442256).

Almost surely, 2^50278420 is an apocalyptic number.

It is an amenable number.

50278420 is an abundant number, since it is smaller than the sum of its proper divisors (56335724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50278420 is a wasteful number, since it uses less digits than its factorization.

50278420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24519 (or 24517 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 50278420 is about 7090.7277482639. The cubic root of 50278420 is about 369.0856899086.

The spelling of 50278420 in words is "fifty million, two hundred seventy-eight thousand, four hundred twenty".