49855943 has 4 divisors (see below), whose sum is σ = 52479960. Its totient is φ = 47231928.

The previous prime is 49855937. The next prime is 49855961. The reversal of 49855943 is 34955894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34955894 = 2 ⋅17477947.

It is a cyclic number.

It is not a de Polignac number, because 49855943 - 2¹⁰ = 49854919 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 (49854943) 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 3 ways as a sum of consecutive naturals, for example, 1311980 + ... + 1312017.

It is an arithmetic number, because the mean of its divisors is an integer number (13119990).

Almost surely, 2^49855943 is an apocalyptic number.

49855943 is a deficient number, since it is larger than the sum of its proper divisors (2624017).

49855943 is a wasteful number, since it uses less digits than its factorization.

49855943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624016.

The product of its digits is 777600, while the sum is 47.

The square root of 49855943 is about 7060.8740960309. The cubic root of 49855943 is about 368.0490025129.

The spelling of 49855943 in words is "forty-nine million, eight hundred fifty-five thousand, nine hundred forty-three".