541540553 has 4 divisors (see below), whose sum is σ = 541694868. Its totient is φ = 541386240.

The previous prime is 541540541. The next prime is 541540561. The reversal of 541540553 is 355045145.

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 240622144 + 300918409 = 15512^2 + 17347^2 .

It is a cyclic number.

It is not a de Polignac number, because 541540553 - 2¹⁰ = 541539529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541540523) 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, 71768 + ... + 78953.

It is an arithmetic number, because the mean of its divisors is an integer number (135423717).

Almost surely, 2^541540553 is an apocalyptic number.

It is an amenable number.

541540553 is a deficient number, since it is larger than the sum of its proper divisors (154315).

541540553 is a wasteful number, since it uses less digits than its factorization.

541540553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154314.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 541540553 is about 23271.0238923860. The cubic root of 541540553 is about 815.0989393980.

Adding to 541540553 its reverse (355045145), we get a palindrome (896585698).

The spelling of 541540553 in words is "five hundred forty-one million, five hundred forty thousand, five hundred fifty-three".