545377811 has 16 divisors (see below), whose sum is σ = 603711360. Its totient is φ = 488536320.

The previous prime is 545377787. The next prime is 545377813. The reversal of 545377811 is 118773545.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 545377811 - 2²² = 541183507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545377813) 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 15 ways as a sum of consecutive naturals, for example, 586595 + ... + 587523.

It is an arithmetic number, because the mean of its divisors is an integer number (37731960).

Almost surely, 2^545377811 is an apocalyptic number.

545377811 is a deficient number, since it is larger than the sum of its proper divisors (58333549).

545377811 is a wasteful number, since it uses less digits than its factorization.

545377811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its digits is 117600, while the sum is 41.

The square root of 545377811 is about 23353.3254805392. The cubic root of 545377811 is about 817.0196243214.

The spelling of 545377811 in words is "five hundred forty-five million, three hundred seventy-seven thousand, eight hundred eleven".