48959721 has 10 divisors (see below), whose sum is σ = 73137482. Its totient is φ = 32639760.

The previous prime is 48959693. The next prime is 48959723. The reversal of 48959721 is 12795984.

48959721 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., 48149721 + 810000 = 6939^2 + 900^2 .

It is not a de Polignac number, because 48959721 - 2⁵ = 48959689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48959723) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 302140 + ... + 302301.

Almost surely, 2^48959721 is an apocalyptic number.

It is an amenable number.

48959721 is a deficient number, since it is larger than the sum of its proper divisors (24177761).

48959721 is an equidigital number, since it uses as much as digits as its factorization.

48959721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604453 (or 604444 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 48959721 is about 6997.1223370754. The cubic root of 48959721 is about 365.8302760500.

The spelling of 48959721 in words is "forty-eight million, nine hundred fifty-nine thousand, seven hundred twenty-one".