49490481 has 4 divisors (see below), whose sum is σ = 65987312. Its totient is φ = 32993652.

The previous prime is 49490473. The next prime is 49490513. The reversal of 49490481 is 18409494.

49490481 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 not a de Polignac number, because 49490481 - 2³ = 49490473 is a prime.

It is a super-2 number, since 2×49490481² = 4898615419222722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49490431) 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, 8248411 + ... + 8248416.

It is an arithmetic number, because the mean of its divisors is an integer number (16496828).

Almost surely, 2^49490481 is an apocalyptic number.

It is an amenable number.

49490481 is a deficient number, since it is larger than the sum of its proper divisors (16496831).

49490481 is a wasteful number, since it uses less digits than its factorization.

49490481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16496830.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 49490481 is about 7034.9471213364. The cubic root of 49490481 is about 367.1474855602.

The spelling of 49490481 in words is "forty-nine million, four hundred ninety thousand, four hundred eighty-one".