545197077 has 24 divisors (see below), whose sum is σ = 842560160. Its totient is φ = 338683680.

The previous prime is 545197067. The next prime is 545197097. The reversal of 545197077 is 770791545.

It is not a de Polignac number, because 545197077 - 2¹⁶ = 545131541 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545197007) 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 23 ways as a sum of consecutive naturals, for example, 15703 + ... + 36564.

Almost surely, 2^545197077 is an apocalyptic number.

545197077 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

545197077 is a deficient number, since it is larger than the sum of its proper divisors (297363083).

545197077 is a wasteful number, since it uses less digits than its factorization.

545197077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52353 (or 52350 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 45.

The square root of 545197077 is about 23349.4556039322. The cubic root of 545197077 is about 816.9293630162.

The spelling of 545197077 in words is "five hundred forty-five million, one hundred ninety-seven thousand, seventy-seven".