48478643 has 4 divisors (see below), whose sum is σ = 49142808. Its totient is φ = 47814480.

The previous prime is 48478631. The next prime is 48478649. The reversal of 48478643 is 34687484.

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

It is a cyclic number.

It is not a de Polignac number, because 48478643 - 2⁸ = 48478387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48478594 and 48478603.

It is not an unprimeable number, because it can be changed into a prime (48478649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331973 + ... + 332118.

It is an arithmetic number, because the mean of its divisors is an integer number (12285702).

Almost surely, 2^48478643 is an apocalyptic number.

48478643 is a deficient number, since it is larger than the sum of its proper divisors (664165).

48478643 is an equidigital number, since it uses as much as digits as its factorization.

48478643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664164.

The product of its digits is 516096, while the sum is 44.

The square root of 48478643 is about 6962.6606265134. The cubic root of 48478643 is about 364.6281143782.

The spelling of 48478643 in words is "forty-eight million, four hundred seventy-eight thousand, six hundred forty-three".