255554461 has 4 divisors (see below), whose sum is σ = 261497632. Its totient is φ = 249611292.

The previous prime is 255554447. The next prime is 255554471. The reversal of 255554461 is 164455552.

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 255554461 - 2¹⁹ = 255030173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255554461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255554441) 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 3 ways as a sum of consecutive naturals, for example, 2971521 + ... + 2971606.

It is an arithmetic number, because the mean of its divisors is an integer number (65374408).

Almost surely, 2^255554461 is an apocalyptic number.

It is an amenable number.

255554461 is a deficient number, since it is larger than the sum of its proper divisors (5943171).

255554461 is an equidigital number, since it uses as much as digits as its factorization.

255554461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943170.

The product of its digits is 120000, while the sum is 37.

The square root of 255554461 is about 15986.0708430809. The cubic root of 255554461 is about 634.5918479904.

The spelling of 255554461 in words is "two hundred fifty-five million, five hundred fifty-four thousand, four hundred sixty-one".