49451144 has 16 divisors (see below), whose sum is σ = 94694400. Its totient is φ = 24199312.

The previous prime is 49451123. The next prime is 49451189. The reversal of 49451144 is 44115494.

It is a self number, because there is not a number n which added to its sum of digits gives 49451144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65384 + ... + 66135.

It is an arithmetic number, because the mean of its divisors is an integer number (5918400).

Almost surely, 2^49451144 is an apocalyptic number.

It is an amenable number.

49451144 is a deficient number, since it is larger than the sum of its proper divisors (45243256).

49451144 is a wasteful number, since it uses less digits than its factorization.

49451144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131572 (or 131568 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 49451144 is about 7032.1507378611. The cubic root of 49451144 is about 367.0501853082.

The spelling of 49451144 in words is "forty-nine million, four hundred fifty-one thousand, one hundred forty-four".