57030447 has 8 divisors (see below), whose sum is σ = 77082544. Its totient is φ = 37499328.

The previous prime is 57030437. The next prime is 57030473. The reversal of 57030447 is 74403075.

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

It is not a de Polignac number, because 57030447 - 2⁷ = 57030319 is a prime.

It is a super-3 number, since 3×57030447³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57030437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129988 + ... + 130425.

It is an arithmetic number, because the mean of its divisors is an integer number (9635318).

Almost surely, 2^57030447 is an apocalyptic number.

57030447 is a deficient number, since it is larger than the sum of its proper divisors (20052097).

57030447 is a wasteful number, since it uses less digits than its factorization.

57030447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260489.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 57030447 is about 7551.8505679072. The cubic root of 57030447 is about 384.9186245059.

The spelling of 57030447 in words is "fifty-seven million, thirty thousand, four hundred forty-seven".