57450447 has 12 divisors (see below), whose sum is σ = 83380024. Its totient is φ = 38117520.

The previous prime is 57450427. The next prime is 57450457. The reversal of 57450447 is 74405475.

It is not a de Polignac number, because 57450447 - 2¹⁴ = 57434063 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57450427) 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, 13228 + ... + 17025.

Almost surely, 2^57450447 is an apocalyptic number.

57450447 is a deficient number, since it is larger than the sum of its proper divisors (25929577).

57450447 is a wasteful number, since it uses less digits than its factorization.

57450447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30470 (or 30467 counting only the distinct ones).

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

The square root of 57450447 is about 7579.6073117280. The cubic root of 57450447 is about 385.8612237933.

The spelling of 57450447 in words is "fifty-seven million, four hundred fifty thousand, four hundred forty-seven".