50278432 has 12 divisors (see below), whose sum is σ = 98985726. Its totient is φ = 25139200.

The previous prime is 50278429. The next prime is 50278433. The reversal of 50278432 is 23487205.

It can be written as a sum of positive squares in only one way, i.e., 46294416 + 3984016 = 6804^2 + 1996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50278394 and 50278403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50278433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785569 + ... + 785632.

Almost surely, 2^50278432 is an apocalyptic number.

It is an amenable number.

50278432 is a deficient number, since it is larger than the sum of its proper divisors (48707294).

50278432 is a wasteful number, since it uses less digits than its factorization.

50278432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571211 (or 1571203 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 50278432 is about 7090.7285944394. The cubic root of 50278432 is about 369.0857192719.

The spelling of 50278432 in words is "fifty million, two hundred seventy-eight thousand, four hundred thirty-two".