50278320 has 100 divisors (see below), whose sum is σ = 174646560. Its totient is φ = 13405824.

The previous prime is 50278307. The next prime is 50278331. The reversal of 50278320 is 2387205.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2601 + ... + 10359.

Almost surely, 2^50278320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50278320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87323280).

50278320 is an abundant number, since it is smaller than the sum of its proper divisors (124368240).

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

50278320 is a wasteful number, since it uses less digits than its factorization.

50278320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784 (or 7769 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 50278320 is about 7090.7206967980. The cubic root of 50278320 is about 369.0854452139.

The spelling of 50278320 in words is "fifty million, two hundred seventy-eight thousand, three hundred twenty".