50505720 has 64 divisors (see below), whose sum is σ = 153252000. Its totient is φ = 13314048.

The previous prime is 50505701. The next prime is 50505737. The reversal of 50505720 is 2750505.

50505720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8316 + ... + 13044.

Almost surely, 2^50505720 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 50505720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76626000).

50505720 is an abundant number, since it is smaller than the sum of its proper divisors (102746280).

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

50505720 is a wasteful number, since it uses less digits than its factorization.

50505720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832 (or 4828 counting only the distinct ones).

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

The square root of 50505720 is about 7106.7376481758. The cubic root of 50505720 is about 369.6410446163.

The spelling of 50505720 in words is "fifty million, five hundred five thousand, seven hundred twenty".