49809933 has 12 divisors (see below), whose sum is σ = 72347548. Its totient is φ = 33022080.

The previous prime is 49809931. The next prime is 49809943. The reversal of 49809933 is 33990894.

It can be written as a sum of positive squares in 2 ways, for example, as 6487209 + 43322724 = 2547^2 + 6582^2 .

It is not a de Polignac number, because 49809933 - 2¹ = 49809931 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 (49809931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13660 + ... + 16917.

Almost surely, 2^49809933 is an apocalyptic number.

It is an amenable number.

49809933 is a deficient number, since it is larger than the sum of its proper divisors (22537615).

49809933 is a wasteful number, since it uses less digits than its factorization.

49809933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30764 (or 30761 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 49809933 is about 7057.6152487933. The cubic root of 49809933 is about 367.9357485691.

The spelling of 49809933 in words is "forty-nine million, eight hundred nine thousand, nine hundred thirty-three".