49185481 has 4 divisors (see below), whose sum is σ = 49243600. Its totient is φ = 49127364.

The previous prime is 49185467. The next prime is 49185511. The reversal of 49185481 is 18458194.

49185481 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 49185481 - 2⁹ = 49184969 is a prime.

It is a super-2 number, since 2×49185481² = 4838423082402722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49185401) 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, 27771 + ... + 29488.

It is an arithmetic number, because the mean of its divisors is an integer number (12310900).

Almost surely, 2^49185481 is an apocalyptic number.

It is an amenable number.

49185481 is a deficient number, since it is larger than the sum of its proper divisors (58119).

49185481 is an equidigital number, since it uses as much as digits as its factorization.

49185481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58118.

The product of its digits is 46080, while the sum is 40.

The square root of 49185481 is about 7013.2361289208. The cubic root of 49185481 is about 366.3917118675.

The spelling of 49185481 in words is "forty-nine million, one hundred eighty-five thousand, four hundred eighty-one".