48447321 has 16 divisors (see below), whose sum is σ = 73227840. Its totient is φ = 28244160.

The previous prime is 48447317. The next prime is 48447323. The reversal of 48447321 is 12374484.

It is not a de Polignac number, because 48447321 - 2² = 48447317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48447323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31950 + ... + 33431.

It is an arithmetic number, because the mean of its divisors is an integer number (4576740).

Almost surely, 2^48447321 is an apocalyptic number.

It is an amenable number.

48447321 is a deficient number, since it is larger than the sum of its proper divisors (24780519).

48447321 is a wasteful number, since it uses less digits than its factorization.

48447321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65416.

The product of its digits is 21504, while the sum is 33.

The square root of 48447321 is about 6960.4109792454. The cubic root of 48447321 is about 364.5495688466.

The spelling of 48447321 in words is "forty-eight million, four hundred forty-seven thousand, three hundred twenty-one".