49442913 has 16 divisors (see below), whose sum is σ = 78883840. Its totient is φ = 30426192.

The previous prime is 49442873. The next prime is 49442927. The reversal of 49442913 is 31924494.

It is not a de Polignac number, because 49442913 - 2⁶ = 49442849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49442213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70081 + ... + 70782.

It is an arithmetic number, because the mean of its divisors is an integer number (4930240).

Almost surely, 2^49442913 is an apocalyptic number.

It is an amenable number.

49442913 is a deficient number, since it is larger than the sum of its proper divisors (29440927).

49442913 is a wasteful number, since it uses less digits than its factorization.

49442913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140885 (or 140879 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 49442913 is about 7031.5654729228. The cubic root of 49442913 is about 367.0298193640.

The spelling of 49442913 in words is "forty-nine million, four hundred forty-two thousand, nine hundred thirteen".