57989845 has 4 divisors (see below), whose sum is σ = 69587820. Its totient is φ = 46391872.

The previous prime is 57989837. The next prime is 57989849. The reversal of 57989845 is 54898975.

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 35928036 + 22061809 = 5994^2 + 4697^2 .

It is a cyclic number.

It is not a de Polignac number, because 57989845 - 2³ = 57989837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57989849) 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, 5798980 + ... + 5798989.

It is an arithmetic number, because the mean of its divisors is an integer number (17396955).

Almost surely, 2^57989845 is an apocalyptic number.

It is an amenable number.

57989845 is a deficient number, since it is larger than the sum of its proper divisors (11597975).

57989845 is a wasteful number, since it uses less digits than its factorization.

57989845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11597974.

The product of its digits is 3628800, while the sum is 55.

The square root of 57989845 is about 7615.1063682656. The cubic root of 57989845 is about 387.0650715072.

The spelling of 57989845 in words is "fifty-seven million, nine hundred eighty-nine thousand, eight hundred forty-five".