49491844 has 6 divisors (see below), whose sum is σ = 86610734. Its totient is φ = 24745920.

The previous prime is 49491833. The next prime is 49491847. The reversal of 49491844 is 44819494.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47775744 + 1716100 = 6912^2 + 1310^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49491844.

It is not an unprimeable number, because it can be changed into a prime (49491847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6186477 + ... + 6186484.

Almost surely, 2^49491844 is an apocalyptic number.

It is an amenable number.

49491844 is a deficient number, since it is larger than the sum of its proper divisors (37118890).

49491844 is a wasteful number, since it uses less digits than its factorization.

49491844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12372965 (or 12372963 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 49491844 is about 7035.0439941766. The cubic root of 49491844 is about 367.1508560227.

The spelling of 49491844 in words is "forty-nine million, four hundred ninety-one thousand, eight hundred forty-four".