548905541 has 4 divisors (see below), whose sum is σ = 551779584. Its totient is φ = 546031500.

The previous prime is 548905531. The next prime is 548905583. The reversal of 548905541 is 145509845.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548905541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548905501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436735 + ... + 1437116.

It is an arithmetic number, because the mean of its divisors is an integer number (137944896).

Almost surely, 2^548905541 is an apocalyptic number.

It is an amenable number.

548905541 is a deficient number, since it is larger than the sum of its proper divisors (2874043).

548905541 is a wasteful number, since it uses less digits than its factorization.

548905541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874042.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 548905541 is about 23428.7332350684. The cubic root of 548905541 is about 818.7774469675. Note that the first 3 decimals are identical.

The spelling of 548905541 in words is "five hundred forty-eight million, nine hundred five thousand, five hundred forty-one".