545440533555 has 8 divisors (see below), whose sum is σ = 872704853712. Its totient is φ = 290901617888.

The previous prime is 545440533541. The next prime is 545440533559. The reversal of 545440533555 is 555335044545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545440533555 - 2¹³ = 545440525363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545440533559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18181351104 + ... + 18181351133.

It is an arithmetic number, because the mean of its divisors is an integer number (109088106714).

Almost surely, 2^545440533555 is an apocalyptic number.

545440533555 is a deficient number, since it is larger than the sum of its proper divisors (327264320157).

545440533555 is a wasteful number, since it uses less digits than its factorization.

545440533555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36362702245.

The product of its (nonzero) digits is 9000000, while the sum is 48.

The spelling of 545440533555 in words is "five hundred forty-five billion, four hundred forty million, five hundred thirty-three thousand, five hundred fifty-five".