57030869 has 32 divisors (see below), whose sum is σ = 73322496. Its totient is φ = 43211520.

The previous prime is 57030829. The next prime is 57030889. The reversal of 57030869 is 96803075.

It is a cyclic number.

It is not a de Polignac number, because 57030869 - 2¹⁶ = 56965333 is a prime.

It is a super-2 number, since 2×57030869² = 6505040037790322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57030829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183224 + ... + 183534.

It is an arithmetic number, because the mean of its divisors is an integer number (2291328).

Almost surely, 2^57030869 is an apocalyptic number.

It is an amenable number.

57030869 is a deficient number, since it is larger than the sum of its proper divisors (16291627).

57030869 is a wasteful number, since it uses less digits than its factorization.

57030869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 57030869 is about 7551.8785080270. The cubic root of 57030869 is about 384.9195739126.

The spelling of 57030869 in words is "fifty-seven million, thirty thousand, eight hundred sixty-nine".