47539497 has 16 divisors (see below), whose sum is σ = 69431040. Its totient is φ = 28799232.

The previous prime is 47539489. The next prime is 47539517. The reversal of 47539497 is 79493574.

It is a happy number.

47539497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47539497 - 2³ = 47539489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47539417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14593 + ... + 17550.

It is an arithmetic number, because the mean of its divisors is an integer number (4339440).

Almost surely, 2^47539497 is an apocalyptic number.

It is an amenable number.

47539497 is a deficient number, since it is larger than the sum of its proper divisors (21891543).

47539497 is a wasteful number, since it uses less digits than its factorization.

47539497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32192.

The product of its digits is 952560, while the sum is 48.

The square root of 47539497 is about 6894.8891941785. The cubic root of 47539497 is about 362.2581743449.

The spelling of 47539497 in words is "forty-seven million, five hundred thirty-nine thousand, four hundred ninety-seven".