50718640 has 120 divisors (see below), whose sum is σ = 141053472. Its totient is φ = 16604160.

The previous prime is 50718631. The next prime is 50718641. The reversal of 50718640 is 4681705.

50718640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (50718641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1079097 + ... + 1079143.

Almost surely, 2^50718640 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 50718640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70526736).

50718640 is an abundant number, since it is smaller than the sum of its proper divisors (90334832).

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

50718640 is a wasteful number, since it uses less digits than its factorization.

50718640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 50718640 is about 7121.7020437533. The cubic root of 50718640 is about 370.1597557016.

The spelling of 50718640 in words is "fifty million, seven hundred eighteen thousand, six hundred forty".