49913243 has 4 divisors (see below), whose sum is σ = 52083408. Its totient is φ = 47743080.

The previous prime is 49913231. The next prime is 49913251. The reversal of 49913243 is 34231994.

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 49913243 - 2¹² = 49909147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49913293) 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, 1085048 + ... + 1085093.

It is an arithmetic number, because the mean of its divisors is an integer number (13020852).

Almost surely, 2^49913243 is an apocalyptic number.

49913243 is a deficient number, since it is larger than the sum of its proper divisors (2170165).

49913243 is a wasteful number, since it uses less digits than its factorization.

49913243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170164.

The product of its digits is 23328, while the sum is 35.

The square root of 49913243 is about 7064.9305021352. The cubic root of 49913243 is about 368.1899494918.

The spelling of 49913243 in words is "forty-nine million, nine hundred thirteen thousand, two hundred forty-three".