47543413 has 4 divisors (see below), whose sum is σ = 47611180. Its totient is φ = 47475648.

The previous prime is 47543411. The next prime is 47543443. The reversal of 47543413 is 31434574.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25472209 + 22071204 = 5047^2 + 4698^2 .

It is a cyclic number.

It is not a de Polignac number, because 47543413 - 2¹ = 47543411 is a prime.

It is a super-2 number, since 2×47543413² = 4520752239377138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47543411) 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, 32820 + ... + 34237.

It is an arithmetic number, because the mean of its divisors is an integer number (11902795).

Almost surely, 2^47543413 is an apocalyptic number.

It is an amenable number.

47543413 is a deficient number, since it is larger than the sum of its proper divisors (67767).

47543413 is an equidigital number, since it uses as much as digits as its factorization.

47543413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67766.

The product of its digits is 20160, while the sum is 31.

The square root of 47543413 is about 6895.1731667885. The cubic root of 47543413 is about 362.2681209097.

Adding to 47543413 its reverse (31434574), we get a palindrome (78977987).

The spelling of 47543413 in words is "forty-seven million, five hundred forty-three thousand, four hundred thirteen".