255552545 has 4 divisors (see below), whose sum is σ = 306663060. Its totient is φ = 204442032.

The previous prime is 255552529. The next prime is 255552547. The reversal of 255552545 is 545255552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 153784801 + 101767744 = 12401^2 + 10088^2 .

It is a cyclic number.

It is not a de Polignac number, because 255552545 - 2⁴ = 255552529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255552499 and 255552508.

It is not an unprimeable number, because it can be changed into a prime (255552547) 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, 25555250 + ... + 25555259.

It is an arithmetic number, because the mean of its divisors is an integer number (76665765).

Almost surely, 2^255552545 is an apocalyptic number.

It is an amenable number.

255552545 is a deficient number, since it is larger than the sum of its proper divisors (51110515).

255552545 is an equidigital number, since it uses as much as digits as its factorization.

255552545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51110514.

The product of its digits is 250000, while the sum is 38.

The square root of 255552545 is about 15986.0109157976. The cubic root of 255552545 is about 634.5902620518.

The spelling of 255552545 in words is "two hundred fifty-five million, five hundred fifty-two thousand, five hundred forty-five".