50638560 has 144 divisors (see below), whose sum is σ = 185640336. Its totient is φ = 11569152.

The previous prime is 50638547. The next prime is 50638561. The reversal of 50638560 is 6583605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50638561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22444 + ... + 24596.

It is an arithmetic number, because the mean of its divisors is an integer number (1289169).

Almost surely, 2^50638560 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 50638560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92820168).

50638560 is an abundant number, since it is smaller than the sum of its proper divisors (135001776).

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

50638560 is a wasteful number, since it uses less digits than its factorization.

50638560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 50638560 is about 7116.0775712467. The cubic root of 50638560 is about 369.9648371746.

The spelling of 50638560 in words is "fifty million, six hundred thirty-eight thousand, five hundred sixty".