49589143 has 2 divisors, whose sum is σ = 49589144. Its totient is φ = 49589142.

The previous prime is 49589093. The next prime is 49589161. The reversal of 49589143 is 34198594.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49589143 is a prime.

It is equal to p_2977927 and since 49589143 and 2977927 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49589143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49589443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24794571 + 24794572.

It is an arithmetic number, because the mean of its divisors is an integer number (24794572).

Almost surely, 2^49589143 is an apocalyptic number.

49589143 is a deficient number, since it is larger than the sum of its proper divisors (1).

49589143 is an equidigital number, since it uses as much as digits as its factorization.

49589143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 49589143 is about 7041.9559072746. The cubic root of 49589143 is about 367.3912998583.

The spelling of 49589143 in words is "forty-nine million, five hundred eighty-nine thousand, one hundred forty-three".