47440543 has 4 divisors (see below), whose sum is σ = 48244680. Its totient is φ = 46636408.

The previous prime is 47440541. The next prime is 47440553. The reversal of 47440543 is 34504474.

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

It is a cyclic number.

It is not a de Polignac number, because 47440543 - 2¹ = 47440541 is a prime.

It is a super-3 number, since 3×47440543³ (a number of 24 digits) contains 333 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 (47440541) 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, 401980 + ... + 402097.

It is an arithmetic number, because the mean of its divisors is an integer number (12061170).

Almost surely, 2^47440543 is an apocalyptic number.

47440543 is a deficient number, since it is larger than the sum of its proper divisors (804137).

47440543 is an equidigital number, since it uses as much as digits as its factorization.

47440543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804136.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 47440543 is about 6887.7095612402. The cubic root of 47440543 is about 362.0066515876.

The spelling of 47440543 in words is "forty-seven million, four hundred forty thousand, five hundred forty-three".