57790989 has 24 divisors (see below), whose sum is σ = 91131040. Its totient is φ = 36496656.

The previous prime is 57790987. The next prime is 57791009. The reversal of 57790989 is 98909775.

57790989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57790989 - 2¹ = 57790987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57790981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1642 + ... + 10875.

Almost surely, 2^57790989 is an apocalyptic number.

It is an amenable number.

57790989 is a deficient number, since it is larger than the sum of its proper divisors (33340051).

57790989 is a wasteful number, since it uses less digits than its factorization.

57790989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12551 (or 12539 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The square root of 57790989 is about 7602.0384766193. The cubic root of 57790989 is about 386.6221298122.

The spelling of 57790989 in words is "fifty-seven million, seven hundred ninety thousand, nine hundred eighty-nine".