545544305 has 4 divisors (see below), whose sum is σ = 654653172. Its totient is φ = 436435440.

The previous prime is 545544277. The next prime is 545544313. The reversal of 545544305 is 503445545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117592336 + 427951969 = 10844^2 + 20687^2 .

It is not a de Polignac number, because 545544305 - 2¹² = 545540209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54554426 + ... + 54554435.

It is an arithmetic number, because the mean of its divisors is an integer number (163663293).

Almost surely, 2^545544305 is an apocalyptic number.

It is an amenable number.

545544305 is a deficient number, since it is larger than the sum of its proper divisors (109108867).

545544305 is a wasteful number, since it uses less digits than its factorization.

545544305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109108866.

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 545544305 is about 23356.8898828590. The cubic root of 545544305 is about 817.1027563097.

The spelling of 545544305 in words is "five hundred forty-five million, five hundred forty-four thousand, three hundred five".