49969943 has 8 divisors (see below), whose sum is σ = 54022320. Its totient is φ = 46059840.

The previous prime is 49969903. The next prime is 49969951. The reversal of 49969943 is 34996994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49969943 - 2¹² = 49965847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49969903) 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 7 ways as a sum of consecutive naturals, for example, 34838 + ... + 36243.

It is an arithmetic number, because the mean of its divisors is an integer number (6752790).

Almost surely, 2^49969943 is an apocalyptic number.

49969943 is a deficient number, since it is larger than the sum of its proper divisors (4052377).

49969943 is a wasteful number, since it uses less digits than its factorization.

49969943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71137.

The product of its digits is 1889568, while the sum is 53.

The square root of 49969943 is about 7068.9421415089. The cubic root of 49969943 is about 368.3293144438.

The spelling of 49969943 in words is "forty-nine million, nine hundred sixty-nine thousand, nine hundred forty-three".