50643712 has 72 divisors (see below), whose sum is σ = 117734400. Its totient is φ = 21292032.

The previous prime is 50643613. The next prime is 50643727. The reversal of 50643712 is 21734605.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105489 + ... + 105967.

It is an arithmetic number, because the mean of its divisors is an integer number (1635200).

Almost surely, 2^50643712 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 50643712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58867200).

50643712 is an abundant number, since it is smaller than the sum of its proper divisors (67090688).

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

50643712 is an equidigital number, since it uses as much as digits as its factorization.

50643712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 50643712 is about 7116.4395592178. The cubic root of 50643712 is about 369.9773835701.

The spelling of 50643712 in words is "fifty million, six hundred forty-three thousand, seven hundred twelve".