50416720 has 80 divisors (see below), whose sum is σ = 121398480. Its totient is φ = 19464192.

The previous prime is 50416699. The next prime is 50416721. The reversal of 50416720 is 2761405.

It can be written as a sum of positive squares in 8 ways, for example, as 2585664 + 47831056 = 1608^2 + 6916^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50416721) 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, 519712 + ... + 519808.

It is an arithmetic number, because the mean of its divisors is an integer number (1517481).

Almost surely, 2^50416720 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 50416720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60699240).

50416720 is an abundant number, since it is smaller than the sum of its proper divisors (70981760).

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

50416720 is a wasteful number, since it uses less digits than its factorization.

50416720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 50416720 is about 7100.4732236662. The cubic root of 50416720 is about 369.4237926827.

The spelling of 50416720 in words is "fifty million, four hundred sixteen thousand, seven hundred twenty".