50721084 has 72 divisors (see below), whose sum is σ = 135303168. Its totient is φ = 15996960.

The previous prime is 50721031. The next prime is 50721091. The reversal of 50721084 is 48012705.

50721084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 51969 + ... + 52935.

Almost surely, 2^50721084 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 50721084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67651584).

50721084 is an abundant number, since it is smaller than the sum of its proper divisors (84582084).

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

50721084 is a wasteful number, since it uses less digits than its factorization.

50721084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 50721084 is about 7121.8736298814. The cubic root of 50721084 is about 370.1657012863.

Adding to 50721084 its reverse (48012705), we get a palindrome (98733789).

The spelling of 50721084 in words is "fifty million, seven hundred twenty-one thousand, eighty-four".