545340320055 has 12 divisors (see below), whose sum is σ = 945256554840. Its totient is φ = 290848170672.

The previous prime is 545340320017. The next prime is 545340320089. The reversal of 545340320055 is 550023043545.

545340320055 is a `hidden beast` number, since 5 + 45 + 3 + 403 + 200 + 5 + 5 = 666.

It is not a de Polignac number, because 545340320055 - 2¹⁷ = 545340188983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6059336845 + ... + 6059336934.

It is an arithmetic number, because the mean of its divisors is an integer number (78771379570).

Almost surely, 2^545340320055 is an apocalyptic number.

545340320055 is a deficient number, since it is larger than the sum of its proper divisors (399916234785).

545340320055 is a wasteful number, since it uses less digits than its factorization.

545340320055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12118673790 (or 12118673787 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 545340320055 in words is "five hundred forty-five billion, three hundred forty million, three hundred twenty thousand, fifty-five".