57045447 has 12 divisors (see below), whose sum is σ = 83560464. Its totient is φ = 37494240.

The previous prime is 57045433. The next prime is 57045449. The reversal of 57045447 is 74454075.

57045447 is a `hidden beast` number, since 570 + 45 + 4 + 47 = 666.

It is not a de Polignac number, because 57045447 - 2⁶ = 57045383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57045449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43998 + ... + 45275.

It is an arithmetic number, because the mean of its divisors is an integer number (6963372).

Almost surely, 2^57045447 is an apocalyptic number.

57045447 is a deficient number, since it is larger than the sum of its proper divisors (26515017).

57045447 is a wasteful number, since it uses less digits than its factorization.

57045447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89350 (or 89347 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 57045447 is about 7552.8436366709. The cubic root of 57045447 is about 384.9523683132.

The spelling of 57045447 in words is "fifty-seven million, forty-five thousand, four hundred forty-seven".