57489857889 has 16 divisors (see below), whose sum is σ = 77963947200. Its totient is φ = 37671363776.

The previous prime is 57489857881. The next prime is 57489857903. The reversal of 57489857889 is 98875898475.

57489857889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 57489857889 - 2³ = 57489857881 is a prime.

Its product of digits (1625702400) is a multiple of the sum of its prime divisors (48384).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57489857881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408087 + ... + 1448339.

It is an arithmetic number, because the mean of its divisors is an integer number (4872746700).

Almost surely, 2^57489857889 is an apocalyptic number.

57489857889 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

57489857889 is a deficient number, since it is larger than the sum of its proper divisors (20474089311).

57489857889 is a wasteful number, since it uses less digits than its factorization.

57489857889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48384.

The product of its digits is 1625702400, while the sum is 78.

The spelling of 57489857889 in words is "fifty-seven billion, four hundred eighty-nine million, eight hundred fifty-seven thousand, eight hundred eighty-nine".