485821455 has 16 divisors (see below), whose sum is σ = 888359424. Its totient is φ = 222089760.

The previous prime is 485821451. The next prime is 485821459. The reversal of 485821455 is 554128584.

It is an interprime number because it is at equal distance from previous prime (485821451) and next prime (485821459).

It is not a de Polignac number, because 485821455 - 2² = 485821451 is a prime.

It is a super-2 number, since 2×485821455² = 472044972276634050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485821451) 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, 2313331 + ... + 2313540.

It is an arithmetic number, because the mean of its divisors is an integer number (55522464).

Almost surely, 2^485821455 is an apocalyptic number.

485821455 is a deficient number, since it is larger than the sum of its proper divisors (402537969).

485821455 is a wasteful number, since it uses less digits than its factorization.

485821455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626886.

The product of its digits is 256000, while the sum is 42.

The square root of 485821455 is about 22041.3578302245. The cubic root of 485821455 is about 786.1261265785.

The spelling of 485821455 in words is "four hundred eighty-five million, eight hundred twenty-one thousand, four hundred fifty-five".