85554771 has 4 divisors (see below), whose sum is σ = 114073032. Its totient is φ = 57036512.

The previous prime is 85554731. The next prime is 85554809. The reversal of 85554771 is 17745558.

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

It is a cyclic number.

It is not a de Polignac number, because 85554771 - 2¹¹ = 85552723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85554731) 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, 14259126 + ... + 14259131.

It is an arithmetic number, because the mean of its divisors is an integer number (28518258).

Almost surely, 2^85554771 is an apocalyptic number.

85554771 is a deficient number, since it is larger than the sum of its proper divisors (28518261).

85554771 is a wasteful number, since it uses less digits than its factorization.

85554771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28518260.

The product of its digits is 196000, while the sum is 42.

The square root of 85554771 is about 9249.5822067810. The cubic root of 85554771 is about 440.6374558523.

The spelling of 85554771 in words is "eighty-five million, five hundred fifty-four thousand, seven hundred seventy-one".