85755489 has 4 divisors (see below), whose sum is σ = 114340656. Its totient is φ = 57170324.

The previous prime is 85755457. The next prime is 85755491. The reversal of 85755489 is 98455758.

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.

It is a cyclic number.

It is not a de Polignac number, because 85755489 - 2⁵ = 85755457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85755419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14292579 + ... + 14292584.

It is an arithmetic number, because the mean of its divisors is an integer number (28585164).

Almost surely, 2^85755489 is an apocalyptic number.

It is an amenable number.

85755489 is a deficient number, since it is larger than the sum of its proper divisors (28585167).

85755489 is a wasteful number, since it uses less digits than its factorization.

85755489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28585166.

The product of its digits is 2016000, while the sum is 51.

The square root of 85755489 is about 9260.4259621251. The cubic root of 85755489 is about 440.9817763871.

The spelling of 85755489 in words is "eighty-five million, seven hundred fifty-five thousand, four hundred eighty-nine".