48447 has 12 divisors (see below), whose sum is σ = 80080. Its totient is φ = 27648.

The previous prime is 48437. The next prime is 48449. The reversal of 48447 is 74484.

It is not a de Polignac number, because 48447 - 2⁶ = 48383 is a prime.

It is a super-2 number, since 2×48447² = 4694223618, which contains 22 as substring.

It is an Ulam number.

48447 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 48447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322 + ... + 447.

2⁴⁸⁴⁴⁷ is an apocalyptic number.

48447 is a deficient number, since it is larger than the sum of its proper divisors (31633).

48447 is a wasteful number, since it uses less digits than its factorization.

48447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 779 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 48447 is about 220.1067922623. The cubic root of 48447 is about 36.4548763706.

It can be divided in two parts, 4844 and 7, that added together give a triangular number (4851 = T₉₈).

The spelling of 48447 in words is "forty-eight thousand, four hundred forty-seven".