554555749225 has 27 divisors (see below), whose sum is σ = 730561874511. Its totient is φ = 417500198400.

The previous prime is 554555749211. The next prime is 554555749261. The reversal of 554555749225 is 522947555455.

It is a happy number.

The square root of 554555749225 is 744685.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 453256137049 + 101299612176 = 673243^2 + 318276^2 .

It is not a de Polignac number, because 554555749225 - 2⁵ = 554555749193 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 554555749225.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 63293845 + ... + 63302605.

Almost surely, 2^554555749225 is an apocalyptic number.

554555749225 is the 744685-th square number.

554555749225 is the 372343-rd centered octagonal number.

It is an amenable number.

554555749225 is a deficient number, since it is larger than the sum of its proper divisors (176006125286).

554555749225 is an frugal number, since it uses more digits than its factorization.

554555749225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17566 (or 8783 counting only the distinct ones).

The product of its digits is 63000000, while the sum is 58.

The spelling of 554555749225 in words is "five hundred fifty-four billion, five hundred fifty-five million, seven hundred forty-nine thousand, two hundred twenty-five".