545562056 has 32 divisors (see below), whose sum is σ = 1137158400. Its totient is φ = 243673920.

The previous prime is 545562053. The next prime is 545562089. The reversal of 545562056 is 650265545.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (545562053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81386 + ... + 87833.

It is an arithmetic number, because the mean of its divisors is an integer number (35536200).

Almost surely, 2^545562056 is an apocalyptic number.

It is an amenable number.

545562056 is an abundant number, since it is smaller than the sum of its proper divisors (591596344).

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

545562056 is a wasteful number, since it uses less digits than its factorization.

545562056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169269 (or 169265 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The square root of 545562056 is about 23357.2698747092. The cubic root of 545562056 is about 817.1116185497. Note that the first 3 decimals are identical.

The spelling of 545562056 in words is "five hundred forty-five million, five hundred sixty-two thousand, fifty-six".