57194649 has 12 divisors (see below), whose sum is σ = 82699812. Its totient is φ = 38090400.

The previous prime is 57194633. The next prime is 57194653. The reversal of 57194649 is 94649175.

57194649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37454400 + 19740249 = 6120^2 + 4443^2 .

It is not a de Polignac number, because 57194649 - 2⁴ = 57194633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57194609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7939 + ... + 13319.

It is an arithmetic number, because the mean of its divisors is an integer number (6891651).

Almost surely, 2^57194649 is an apocalyptic number.

It is an amenable number.

57194649 is a deficient number, since it is larger than the sum of its proper divisors (25505163).

57194649 is a wasteful number, since it uses less digits than its factorization.

57194649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568 (or 6565 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 57194649 is about 7562.7143936552. The cubic root of 57194649 is about 385.2876896211.

The spelling of 57194649 in words is "fifty-seven million, one hundred ninety-four thousand, six hundred forty-nine".