49899983 has 12 divisors (see below), whose sum is σ = 58235760. Its totient is φ = 42757008.

The previous prime is 49899973. The next prime is 49899989. The reversal of 49899983 is 38999894.

It is not a de Polignac number, because 49899983 - 2²⁴ = 33122767 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 (49899989) 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 11 ways as a sum of consecutive naturals, for example, 15323 + ... + 18291.

It is an arithmetic number, because the mean of its divisors is an integer number (4852980).

Almost surely, 2^49899983 is an apocalyptic number.

49899983 is a deficient number, since it is larger than the sum of its proper divisors (8335777).

49899983 is an frugal number, since it uses more digits than its factorization.

49899983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004 (or 2976 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 59.

The square root of 49899983 is about 7063.9920016942. The cubic root of 49899983 is about 368.1573420391.

The spelling of 49899983 in words is "forty-nine million, eight hundred ninety-nine thousand, nine hundred eighty-three".