57889009 has 4 divisors (see below), whose sum is σ = 57904704. Its totient is φ = 57873316.

The previous prime is 57889003. The next prime is 57889019. The reversal of 57889009 is 90098875.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57889009 - 2⁵ = 57888977 is a prime.

It is a super-2 number, since 2×57889009² = 6702274726004162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57889009.

It is not an unprimeable number, because it can be changed into a prime (57889003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044 + ... + 10810.

It is an arithmetic number, because the mean of its divisors is an integer number (14476176).

Almost surely, 2^57889009 is an apocalyptic number.

It is an amenable number.

57889009 is a deficient number, since it is larger than the sum of its proper divisors (15695).

57889009 is an equidigital number, since it uses as much as digits as its factorization.

57889009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15694.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 57889009 is about 7608.4827002498. The cubic root of 57889009 is about 386.8405911808.

The spelling of 57889009 in words is "fifty-seven million, eight hundred eighty-nine thousand, nine".