48262721 has 4 divisors (see below), whose sum is σ = 51975252. Its totient is φ = 44550192.

The previous prime is 48262703. The next prime is 48262723. The reversal of 48262721 is 12726284.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11296321 + 36966400 = 3361^2 + 6080^2 .

It is a cyclic number.

It is not a de Polignac number, because 48262721 - 2¹⁸ = 48000577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48262723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856246 + ... + 1856271.

It is an arithmetic number, because the mean of its divisors is an integer number (12993813).

Almost surely, 2^48262721 is an apocalyptic number.

It is an amenable number.

48262721 is a deficient number, since it is larger than the sum of its proper divisors (3712531).

48262721 is a wasteful number, since it uses less digits than its factorization.

48262721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712530.

The product of its digits is 10752, while the sum is 32.

The square root of 48262721 is about 6947.1376119953. The cubic root of 48262721 is about 364.0859621675.

The spelling of 48262721 in words is "forty-eight million, two hundred sixty-two thousand, seven hundred twenty-one".