48444421 has 4 divisors (see below), whose sum is σ = 48461644. Its totient is φ = 48427200.

The previous prime is 48444401. The next prime is 48444437. The reversal of 48444421 is 12444484.

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 34680321 + 13764100 = 5889^2 + 3710^2 .

It is a cyclic number.

It is not a de Polignac number, because 48444421 - 2⁹ = 48443909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48444401) 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, 3300 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (12115411).

Almost surely, 2^48444421 is an apocalyptic number.

It is an amenable number.

48444421 is a deficient number, since it is larger than the sum of its proper divisors (17223).

48444421 is a wasteful number, since it uses less digits than its factorization.

48444421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17222.

The product of its digits is 16384, while the sum is 31.

The square root of 48444421 is about 6960.2026550956. The cubic root of 48444421 is about 364.5422948645.

The spelling of 48444421 in words is "forty-eight million, four hundred forty-four thousand, four hundred twenty-one".