255561483 has 4 divisors (see below), whose sum is σ = 340748648. Its totient is φ = 170374320.

The previous prime is 255561469. The next prime is 255561491. The reversal of 255561483 is 384165552.

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

It is not a de Polignac number, because 255561483 - 2¹⁸ = 255299339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255561403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42593578 + ... + 42593583.

It is an arithmetic number, because the mean of its divisors is an integer number (85187162).

Almost surely, 2^255561483 is an apocalyptic number.

255561483 is a deficient number, since it is larger than the sum of its proper divisors (85187165).

255561483 is an equidigital number, since it uses as much as digits as its factorization.

255561483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85187164.

The product of its digits is 144000, while the sum is 39.

The square root of 255561483 is about 15986.2904702748. The cubic root of 255561483 is about 634.5976602715.

The spelling of 255561483 in words is "two hundred fifty-five million, five hundred sixty-one thousand, four hundred eighty-three".