544242555 has 24 divisors (see below), whose sum is σ = 993005520. Its totient is φ = 274985280.

The previous prime is 544242511. The next prime is 544242571. The reversal of 544242555 is 555242445.

It is not a de Polignac number, because 544242555 - 2¹⁰ = 544241531 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317416 + ... + 319125.

It is an arithmetic number, because the mean of its divisors is an integer number (41375230).

Almost surely, 2^544242555 is an apocalyptic number.

544242555 is a deficient number, since it is larger than the sum of its proper divisors (448762965).

544242555 is a wasteful number, since it uses less digits than its factorization.

544242555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636571 (or 636568 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 544242555 is about 23329.0067298203. The cubic root of 544242555 is about 816.4523290535.

The spelling of 544242555 in words is "five hundred forty-four million, two hundred forty-two thousand, five hundred fifty-five".