47523449 has 10 divisors (see below), whose sum is σ = 50582370. Its totient is φ = 44649344.

The previous prime is 47523409. The next prime is 47523481. The reversal of 47523449 is 94432574.

It can be written as a sum of positive squares in 5 ways, for example, as 10000 + 47513449 = 100^2 + 6893^2 .

It is not a de Polignac number, because 47523449 - 2⁸ = 47523193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47523409) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 83237 + ... + 83805.

It is an arithmetic number, because the mean of its divisors is an integer number (5058237).

Almost surely, 2^47523449 is an apocalyptic number.

It is an amenable number.

47523449 is a deficient number, since it is larger than the sum of its proper divisors (3058921).

47523449 is an frugal number, since it uses more digits than its factorization.

47523449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 586 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 47523449 is about 6893.7253354047. The cubic root of 47523449 is about 362.2174070263.

The spelling of 47523449 in words is "forty-seven million, five hundred twenty-three thousand, four hundred forty-nine".