545100556 has 48 divisors (see below), whose sum is σ = 1280805120. Its totient is φ = 196038720.

The previous prime is 545100547. The next prime is 545100571. The reversal of 545100556 is 655001545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64066 + ... + 72073.

It is an arithmetic number, because the mean of its divisors is an integer number (26683440).

Almost surely, 2^545100556 is an apocalyptic number.

It is an amenable number.

545100556 is an abundant number, since it is smaller than the sum of its proper divisors (735704564).

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

545100556 is a wasteful number, since it uses less digits than its factorization.

545100556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136174 (or 136172 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 545100556 is about 23347.3886334211. The cubic root of 545100556 is about 816.8811507910.

It can be divided in two parts, 545 and 100556, that added together give a palindrome (101101).

The spelling of 545100556 in words is "five hundred forty-five million, one hundred thousand, five hundred fifty-six".