57901889 has 4 divisors (see below), whose sum is σ = 58236756. Its totient is φ = 57567024.

The previous prime is 57901867. The next prime is 57901891. The reversal of 57901889 is 98810975.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55011889 + 2890000 = 7417^2 + 1700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57901889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57901829) 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, 167174 + ... + 167519.

It is an arithmetic number, because the mean of its divisors is an integer number (14559189).

Almost surely, 2^57901889 is an apocalyptic number.

It is an amenable number.

57901889 is a deficient number, since it is larger than the sum of its proper divisors (334867).

57901889 is a wasteful number, since it uses less digits than its factorization.

57901889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334866.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 57901889 is about 7609.3290768635. The cubic root of 57901889 is about 386.8692790522.

The spelling of 57901889 in words is "fifty-seven million, nine hundred one thousand, eight hundred eighty-nine".