57446444 has 18 divisors (see below), whose sum is σ = 110502252. Its totient is φ = 26111800.

The previous prime is 57446437. The next prime is 57446461. The reversal of 57446444 is 44464475.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57446398 and 57446407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58862 + ... + 59829.

It is an arithmetic number, because the mean of its divisors is an integer number (6139014).

Almost surely, 2^57446444 is an apocalyptic number.

It is an amenable number.

57446444 is a deficient number, since it is larger than the sum of its proper divisors (53055808).

57446444 is a wasteful number, since it uses less digits than its factorization.

57446444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118717 (or 118704 counting only the distinct ones).

The product of its digits is 215040, while the sum is 38.

The square root of 57446444 is about 7579.3432433160. The cubic root of 57446444 is about 385.8522616446.

The spelling of 57446444 in words is "fifty-seven million, four hundred forty-six thousand, four hundred forty-four".