545523745564 has 48 divisors (see below), whose sum is σ = 1155732000192. Its totient is φ = 219946954752.

The previous prime is 545523745499. The next prime is 545523745567. The reversal of 545523745564 is 465547325545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545523745567) 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, 843904 + ... + 1342840.

It is an arithmetic number, because the mean of its divisors is an integer number (24077750004).

Almost surely, 2^545523745564 is an apocalyptic number.

It is an amenable number.

545523745564 is an abundant number, since it is smaller than the sum of its proper divisors (610208254628).

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

545523745564 is a wasteful number, since it uses less digits than its factorization.

545523745564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501262 (or 501260 counting only the distinct ones).

The product of its digits is 50400000, while the sum is 55.

The spelling of 545523745564 in words is "five hundred forty-five billion, five hundred twenty-three million, seven hundred forty-five thousand, five hundred sixty-four".