49143959 has 4 divisors (see below), whose sum is σ = 50729280. Its totient is φ = 47558640.

The previous prime is 49143947. The next prime is 49143967. The reversal of 49143959 is 95934194.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95934194 = 2 ⋅47967097.

It is a cyclic number.

It is not a de Polignac number, because 49143959 - 2⁴ = 49143943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49143929) 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, 792614 + ... + 792675.

It is an arithmetic number, because the mean of its divisors is an integer number (12682320).

Almost surely, 2^49143959 is an apocalyptic number.

49143959 is a deficient number, since it is larger than the sum of its proper divisors (1585321).

49143959 is a wasteful number, since it uses less digits than its factorization.

49143959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585320.

The product of its digits is 174960, while the sum is 44.

The square root of 49143959 is about 7010.2752442397. The cubic root of 49143959 is about 366.2885811648.

The spelling of 49143959 in words is "forty-nine million, one hundred forty-three thousand, nine hundred fifty-nine".