47129548 has 24 divisors (see below), whose sum is σ = 87127040. Its totient is φ = 22271760.

The previous prime is 47129543. The next prime is 47129549. The reversal of 47129548 is 84592174.

It is a self number, because there is not a number n which added to its sum of digits gives 47129548.

It is not an unprimeable number, because it can be changed into a prime (47129543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913 + ... + 9751.

Almost surely, 2^47129548 is an apocalyptic number.

It is an amenable number.

47129548 is a deficient number, since it is larger than the sum of its proper divisors (39997492).

47129548 is a wasteful number, since it uses less digits than its factorization.

47129548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8917 (or 8915 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 47129548 is about 6865.0963576632. The cubic root of 47129548 is about 361.2138756117.

The spelling of 47129548 in words is "forty-seven million, one hundred twenty-nine thousand, five hundred forty-eight".