49381922 has 6 divisors (see below), whose sum is σ = 74087793. Its totient is φ = 24685992.

The previous prime is 49381921. The next prime is 49381961. The reversal of 49381922 is 22918394.

It can be written as a sum of positive squares in 2 ways, for example, as 44502241 + 4879681 = 6671^2 + 2209^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4969.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49381921) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7454 + ... + 12422.

Almost surely, 2^49381922 is an apocalyptic number.

49381922 is a deficient number, since it is larger than the sum of its proper divisors (24705871).

49381922 is an frugal number, since it uses more digits than its factorization.

49381922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9940 (or 4971 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 49381922 is about 7027.2271914319. The cubic root of 49381922 is about 366.8788390022.

The spelling of 49381922 in words is "forty-nine million, three hundred eighty-one thousand, nine hundred twenty-two".