48337721 has 4 divisors (see below), whose sum is σ = 48389712. Its totient is φ = 48285732.

The previous prime is 48337717. The next prime is 48337739. The reversal of 48337721 is 12773384.

48337721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48337721 - 2² = 48337717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48337741) 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 3 ways as a sum of consecutive naturals, for example, 24575 + ... + 26468.

It is an arithmetic number, because the mean of its divisors is an integer number (12097428).

Almost surely, 2^48337721 is an apocalyptic number.

It is an amenable number.

48337721 is a deficient number, since it is larger than the sum of its proper divisors (51991).

48337721 is an equidigital number, since it uses as much as digits as its factorization.

48337721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51990.

The product of its digits is 28224, while the sum is 35.

The square root of 48337721 is about 6952.5334231487. The cubic root of 48337721 is about 364.2744604129.

The spelling of 48337721 in words is "forty-eight million, three hundred thirty-seven thousand, seven hundred twenty-one".