485555791 has 16 divisors (see below), whose sum is σ = 566088768. Its totient is φ = 407865600.

The previous prime is 485555789. The next prime is 485555797. The reversal of 485555791 is 197555584.

It is a cyclic number.

It is not a de Polignac number, because 485555791 - 2¹ = 485555789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485555797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123171 + ... + 127051.

It is an arithmetic number, because the mean of its divisors is an integer number (35380548).

Almost surely, 2^485555791 is an apocalyptic number.

485555791 is a deficient number, since it is larger than the sum of its proper divisors (80532977).

485555791 is a wasteful number, since it uses less digits than its factorization.

485555791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242.

The product of its digits is 1260000, while the sum is 49.

The square root of 485555791 is about 22035.3305171490. The cubic root of 485555791 is about 785.9828067857.

The spelling of 485555791 in words is "four hundred eighty-five million, five hundred fifty-five thousand, seven hundred ninety-one".