48478257 has 12 divisors (see below), whose sum is σ = 72618000. Its totient is φ = 32318676.

The previous prime is 48478249. The next prime is 48478301. The reversal of 48478257 is 75287484.

48478257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48478257 - 2³ = 48478249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48478207) 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 11 ways as a sum of consecutive naturals, for example, 99507 + ... + 99992.

It is an arithmetic number, because the mean of its divisors is an integer number (6051500).

Almost surely, 2^48478257 is an apocalyptic number.

It is an amenable number.

48478257 is a deficient number, since it is larger than the sum of its proper divisors (24139743).

48478257 is an equidigital number, since it uses as much as digits as its factorization.

48478257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199514 (or 199502 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 48478257 is about 6962.6329071695. The cubic root of 48478257 is about 364.6271466199.

The spelling of 48478257 in words is "forty-eight million, four hundred seventy-eight thousand, two hundred fifty-seven".