545604559556 has 48 divisors (see below), whose sum is σ = 1160137085184. Its totient is φ = 219443892096.

The previous prime is 545604559553. The next prime is 545604559559. The reversal of 545604559556 is 655955406545.

It is an interprime number because it is at equal distance from previous prime (545604559553) and next prime (545604559559).

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 545604559495 and 545604559504.

It is not an unprimeable number, because it can be changed into a prime (545604559553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7958435 + ... + 8026698.

It is an arithmetic number, because the mean of its divisors is an integer number (24169522608).

Almost surely, 2^545604559556 is an apocalyptic number.

It is an amenable number.

545604559556 is an abundant number, since it is smaller than the sum of its proper divisors (614532525628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545604559556 is a wasteful number, since it uses less digits than its factorization.

545604559556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15985220 (or 15985218 counting only the distinct ones).

The product of its (nonzero) digits is 81000000, while the sum is 59.

The spelling of 545604559556 in words is "five hundred forty-five billion, six hundred four million, five hundred fifty-nine thousand, five hundred fifty-six".