541155503 has 4 divisors (see below), whose sum is σ = 618463440. Its totient is φ = 463847568.

The previous prime is 541155469. The next prime is 541155521. The reversal of 541155503 is 305551145.

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

It is a cyclic number.

It is not a de Polignac number, because 541155503 - 2²⁸ = 272720047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541155533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38653958 + ... + 38653971.

It is an arithmetic number, because the mean of its divisors is an integer number (154615860).

Almost surely, 2^541155503 is an apocalyptic number.

541155503 is a deficient number, since it is larger than the sum of its proper divisors (77307937).

541155503 is an equidigital number, since it uses as much as digits as its factorization.

541155503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77307936.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 541155503 is about 23262.7492571278. The cubic root of 541155503 is about 814.9057077859.

The spelling of 541155503 in words is "five hundred forty-one million, one hundred fifty-five thousand, five hundred three".