49673381 has 4 divisors (see below), whose sum is σ = 49702764. Its totient is φ = 49644000.

The previous prime is 49673357. The next prime is 49673401. The reversal of 49673381 is 18337694.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32376100 + 17297281 = 5690^2 + 4159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49673381 is a prime.

It is a super-2 number, since 2×49673381² = 4934889559942322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49673311) 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, 11990 + ... + 15591.

It is an arithmetic number, because the mean of its divisors is an integer number (12425691).

Almost surely, 2^49673381 is an apocalyptic number.

It is an amenable number.

49673381 is a deficient number, since it is larger than the sum of its proper divisors (29383).

49673381 is a wasteful number, since it uses less digits than its factorization.

49673381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29382.

The product of its digits is 108864, while the sum is 41.

The square root of 49673381 is about 7047.9345201272. The cubic root of 49673381 is about 367.5992136529.

The spelling of 49673381 in words is "forty-nine million, six hundred seventy-three thousand, three hundred eighty-one".