49991343 has 4 divisors (see below), whose sum is σ = 66655128. Its totient is φ = 33327560.

The previous prime is 49991281. The next prime is 49991371. The reversal of 49991343 is 34319994.

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 49991343 - 2¹³ = 49983151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49991295 and 49991304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49991143) 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, 8331888 + ... + 8331893.

It is an arithmetic number, because the mean of its divisors is an integer number (16663782).

Almost surely, 2^49991343 is an apocalyptic number.

49991343 is a deficient number, since it is larger than the sum of its proper divisors (16663785).

49991343 is a wasteful number, since it uses less digits than its factorization.

49991343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16663784.

The product of its digits is 104976, while the sum is 42.

The square root of 49991343 is about 7070.4556430261. The cubic root of 49991343 is about 368.3818868630.

The spelling of 49991343 in words is "forty-nine million, nine hundred ninety-one thousand, three hundred forty-three".