49908381 has 4 divisors (see below), whose sum is σ = 66544512. Its totient is φ = 33272252.

The previous prime is 49908361. The next prime is 49908389. The reversal of 49908381 is 18380994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49908381 - 2⁵ = 49908349 is a prime.

It is a super-2 number, since 2×49908381² = 4981692988082322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49908389) 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, 8318061 + ... + 8318066.

It is an arithmetic number, because the mean of its divisors is an integer number (16636128).

Almost surely, 2^49908381 is an apocalyptic number.

It is an amenable number.

49908381 is a deficient number, since it is larger than the sum of its proper divisors (16636131).

49908381 is a wasteful number, since it uses less digits than its factorization.

49908381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16636130.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 49908381 is about 7064.5863997831. The cubic root of 49908381 is about 368.1779940964.

The spelling of 49908381 in words is "forty-nine million, nine hundred eight thousand, three hundred eighty-one".