47961543 has 24 divisors (see below), whose sum is σ = 74651760. Its totient is φ = 27310080.

The previous prime is 47961521. The next prime is 47961559. The reversal of 47961543 is 34516974.

It is not a de Polignac number, because 47961543 - 2⁹ = 47961031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47961143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74503 + ... + 75143.

It is an arithmetic number, because the mean of its divisors is an integer number (3110490).

Almost surely, 2^47961543 is an apocalyptic number.

47961543 is a deficient number, since it is larger than the sum of its proper divisors (26690217).

47961543 is a wasteful number, since it uses less digits than its factorization.

47961543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1160 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 47961543 is about 6925.4272792370. The cubic root of 47961543 is about 363.3270356809.

The spelling of 47961543 in words is "forty-seven million, nine hundred sixty-one thousand, five hundred forty-three".