50916840 has 128 divisors (see below), whose sum is σ = 166440960. Its totient is φ = 12386304.

The previous prime is 50916821. The next prime is 50916863. The reversal of 50916840 is 4861905.

50916840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 197992 + ... + 198248.

It is an arithmetic number, because the mean of its divisors is an integer number (1300320).

Almost surely, 2^50916840 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 50916840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83220480).

50916840 is an abundant number, since it is smaller than the sum of its proper divisors (115524120).

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

50916840 is a wasteful number, since it uses less digits than its factorization.

50916840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 50916840 is about 7135.6036885466. The cubic root of 50916840 is about 370.6413032062.

The spelling of 50916840 in words is "fifty million, nine hundred sixteen thousand, eight hundred forty".