50278628 has 12 divisors (see below), whose sum is σ = 90133932. Its totient is φ = 24526080.

The previous prime is 50278619. The next prime is 50278651. The reversal of 50278628 is 82687205.

It can be written as a sum of positive squares in 2 ways, for example, as 3602404 + 46676224 = 1898^2 + 6832^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50278591 and 50278600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153125 + ... + 153452.

It is an arithmetic number, because the mean of its divisors is an integer number (7511161).

Almost surely, 2^50278628 is an apocalyptic number.

It is an amenable number.

50278628 is a deficient number, since it is larger than the sum of its proper divisors (39855304).

50278628 is a wasteful number, since it uses less digits than its factorization.

50278628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306622 (or 306620 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 50278628 is about 7090.7424152905. The cubic root of 50278628 is about 369.0861988726.

The spelling of 50278628 in words is "fifty million, two hundred seventy-eight thousand, six hundred twenty-eight".