50732640 has 216 divisors, whose sum is σ = 201670560. Its totient is φ = 11579904.

The previous prime is 50732639. The next prime is 50732677. The reversal of 50732640 is 4623705.

It is a happy number.

It is a super-2 number, since 2×50732640² = 5147601522739200, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 70201 + ... + 70919.

It is an arithmetic number, because the mean of its divisors is an integer number (933660).

Almost surely, 2^50732640 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 50732640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100835280).

50732640 is an abundant number, since it is smaller than the sum of its proper divisors (150937920).

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

50732640 is a wasteful number, since it uses less digits than its factorization.

50732640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 50732640 is about 7122.6848870352. The cubic root of 50732640 is about 370.1938112929.

The spelling of 50732640 in words is "fifty million, seven hundred thirty-two thousand, six hundred forty".