49913961 has 4 divisors (see below), whose sum is σ = 66551952. Its totient is φ = 33275972.

The previous prime is 49913939. The next prime is 49913977. The reversal of 49913961 is 16931994.

49913961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49913961 - 2¹⁰ = 49912937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49913561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8318991 + ... + 8318996.

It is an arithmetic number, because the mean of its divisors is an integer number (16637988).

Almost surely, 2^49913961 is an apocalyptic number.

It is an amenable number.

49913961 is a deficient number, since it is larger than the sum of its proper divisors (16637991).

49913961 is a wasteful number, since it uses less digits than its factorization.

49913961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16637990.

The product of its digits is 52488, while the sum is 42.

The square root of 49913961 is about 7064.9813163235. The cubic root of 49913961 is about 368.1917149492.

The spelling of 49913961 in words is "forty-nine million, nine hundred thirteen thousand, nine hundred sixty-one".