545777169 has 16 divisors (see below), whose sum is σ = 831989760. Its totient is φ = 311749200.

The previous prime is 545777159. The next prime is 545777171. The reversal of 545777169 is 961777545.

It is a happy number.

It is not a de Polignac number, because 545777169 - 2⁵ = 545777137 is a prime.

It is a super-2 number, since 2×545777169² = 595745436403309122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545777119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90552 + ... + 96390.

It is an arithmetic number, because the mean of its divisors is an integer number (51999360).

Almost surely, 2^545777169 is an apocalyptic number.

It is an amenable number.

545777169 is a deficient number, since it is larger than the sum of its proper divisors (286212591).

545777169 is a wasteful number, since it uses less digits than its factorization.

545777169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10300.

The product of its digits is 1852200, while the sum is 51.

The square root of 545777169 is about 23361.8742612831. The cubic root of 545777169 is about 817.2189990837.

The spelling of 545777169 in words is "five hundred forty-five million, seven hundred seventy-seven thousand, one hundred sixty-nine".