545877549 has 20 divisors (see below), whose sum is σ = 931940064. Its totient is φ = 311929704.

The previous prime is 545877511. The next prime is 545877583. The reversal of 545877549 is 945778545.

545877549 is a `hidden beast` number, since 5 + 4 + 587 + 7 + 54 + 9 = 666.

It is not a de Polignac number, because 545877549 - 2¹¹ = 545875501 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 545877495 and 545877504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545877149) 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 19 ways as a sum of consecutive naturals, for example, 480807 + ... + 481940.

Almost surely, 2^545877549 is an apocalyptic number.

It is an amenable number.

545877549 is a deficient number, since it is larger than the sum of its proper divisors (386062515).

545877549 is an equidigital number, since it uses as much as digits as its factorization.

545877549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962766 (or 962757 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 54.

The square root of 545877549 is about 23364.0225346579. The cubic root of 545877549 is about 817.2690973161.

The spelling of 545877549 in words is "five hundred forty-five million, eight hundred seventy-seven thousand, five hundred forty-nine".