50705520 has 80 divisors (see below), whose sum is σ = 161052192. Its totient is φ = 13189120.

The previous prime is 50705507. The next prime is 50705531. The reversal of 50705520 is 2550705.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7264 + ... + 12416.

Almost surely, 2^50705520 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 50705520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80526096).

50705520 is an abundant number, since it is smaller than the sum of its proper divisors (110346672).

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

50705520 is a wasteful number, since it uses less digits than its factorization.

50705520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210 (or 5204 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 50705520 is about 7120.7808560579. The cubic root of 50705520 is about 370.1278350585.

The spelling of 50705520 in words is "fifty million, seven hundred five thousand, five hundred twenty".