47543497 has 4 divisors (see below), whose sum is σ = 47577040. Its totient is φ = 47509956.

The previous prime is 47543471. The next prime is 47543519. The reversal of 47543497 is 79434574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47543497 - 2¹⁹ = 47019209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47543297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14547 + ... + 17512.

It is an arithmetic number, because the mean of its divisors is an integer number (11894260).

Almost surely, 2^47543497 is an apocalyptic number.

It is an amenable number.

47543497 is a deficient number, since it is larger than the sum of its proper divisors (33543).

47543497 is a wasteful number, since it uses less digits than its factorization.

47543497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33542.

The product of its digits is 423360, while the sum is 43.

The square root of 47543497 is about 6895.1792580034. The cubic root of 47543497 is about 362.2683342621.

The spelling of 47543497 in words is "forty-seven million, five hundred forty-three thousand, four hundred ninety-seven".