545215252055 has 16 divisors (see below), whose sum is σ = 698874575904. Its totient is φ = 406882129920.

The previous prime is 545215252051. The next prime is 545215252067. The reversal of 545215252055 is 550252512545.

It is not a de Polignac number, because 545215252055 - 2² = 545215252051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545215252051) 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 15 ways as a sum of consecutive naturals, for example, 28372241 + ... + 28391450.

It is an arithmetic number, because the mean of its divisors is an integer number (43679660994).

Almost surely, 2^545215252055 is an apocalyptic number.

545215252055 is a deficient number, since it is larger than the sum of its proper divisors (153659323849).

545215252055 is a wasteful number, since it uses less digits than its factorization.

545215252055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56763826.

The product of its (nonzero) digits is 500000, while the sum is 41.

The spelling of 545215252055 in words is "five hundred forty-five billion, two hundred fifteen million, two hundred fifty-two thousand, fifty-five".