545343303452555 has 4 divisors (see below), whose sum is σ = 654411964143072. Its totient is φ = 436274642762040.

The previous prime is 545343303452551. The next prime is 545343303452659. The reversal of 545343303452555 is 555254303343545.

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

It is not a de Polignac number, because 545343303452555 - 2² = 545343303452551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545343303452555.

It is not an unprimeable number, because it can be changed into a prime (545343303452551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54534330345251 + ... + 54534330345260.

It is an arithmetic number, because the mean of its divisors is an integer number (163602991035768).

Almost surely, 2^{545343303452555} is an apocalyptic number.

545343303452555 is a deficient number, since it is larger than the sum of its proper divisors (109068660690517).

545343303452555 is a wasteful number, since it uses less digits than its factorization.

545343303452555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109068660690516.

The product of its (nonzero) digits is 162000000, while the sum is 56.

The spelling of 545343303452555 in words is "five hundred forty-five trillion, three hundred forty-three billion, three hundred three million, four hundred fifty-two thousand, five hundred fifty-five".