57453649 has 8 divisors (see below), whose sum is σ = 62929440. Its totient is φ = 52020000.

The previous prime is 57453647. The next prime is 57453653. The reversal of 57453649 is 94635475.

57453649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57453649 - 2¹ = 57453647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57453647) 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 7 ways as a sum of consecutive naturals, for example, 7644 + ... + 13165.

It is an arithmetic number, because the mean of its divisors is an integer number (7866180).

Almost surely, 2^57453649 is an apocalyptic number.

It is an amenable number.

57453649 is a deficient number, since it is larger than the sum of its proper divisors (5475791).

57453649 is a wasteful number, since it uses less digits than its factorization.

57453649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21071.

The product of its digits is 453600, while the sum is 43.

The square root of 57453649 is about 7579.8185334479. The cubic root of 57453649 is about 385.8683923171.

The spelling of 57453649 in words is "fifty-seven million, four hundred fifty-three thousand, six hundred forty-nine".