50447232 has 128 divisors (see below), whose sum is σ = 162547200. Its totient is φ = 15275520.

The previous prime is 50447227. The next prime is 50447233. The reversal of 50447232 is 23274405.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 50447196 and 50447205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50447233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37353 + ... + 38679.

It is an arithmetic number, because the mean of its divisors is an integer number (1269900).

Almost surely, 2^50447232 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 50447232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81273600).

50447232 is an abundant number, since it is smaller than the sum of its proper divisors (112099968).

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

50447232 is a wasteful number, since it uses less digits than its factorization.

50447232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 50447232 is about 7102.6214878733. The cubic root of 50447232 is about 369.4983022610.

The spelling of 50447232 in words is "fifty million, four hundred forty-seven thousand, two hundred thirty-two".