47513448 has 48 divisors (see below), whose sum is σ = 129093120. Its totient is φ = 15787296.

The previous prime is 47513443. The next prime is 47513461. The reversal of 47513448 is 84431574.

It is a Cunningham number, because it is equal to 6893²-1.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47513441) 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, 26715 + ... + 28437.

It is an arithmetic number, because the mean of its divisors is an integer number (2689440).

Almost surely, 2^47513448 is an apocalyptic number.

It is an amenable number.

47513448 is an abundant number, since it is smaller than the sum of its proper divisors (81579672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47513448 is a wasteful number, since it uses less digits than its factorization.

47513448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118 (or 2111 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 47513448 is about 6892.9999274626. Note that the first 4 decimals coincide. The cubic root of 47513448 is about 362.1919964798.

It can be divided in two parts, 47513 and 448, that added together give a square (47961 = 219²).

The spelling of 47513448 in words is "forty-seven million, five hundred thirteen thousand, four hundred forty-eight".