50120072 has 12 divisors (see below), whose sum is σ = 94012695. Its totient is φ = 25050024.

The previous prime is 50120051. The next prime is 50120099. The reversal of 50120072 is 27002105.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

50120072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 25060036 + 25060036 = 5006^2 + 5006^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5006.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50120072.

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 2 ways as a sum of consecutive naturals, for example, 18773 + ... + 21275.

Almost surely, 2^50120072 is an apocalyptic number.

It is an amenable number.

50120072 is a deficient number, since it is larger than the sum of its proper divisors (43892623).

50120072 is an frugal number, since it uses more digits than its factorization.

50120072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012 (or 2505 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 50120072 is about 7079.5530932397. The cubic root of 50120072 is about 368.6978134708.

Adding to 50120072 its reverse (27002105), we get a palindrome (77122177).

The spelling of 50120072 in words is "fifty million, one hundred twenty thousand, seventy-two".