545345552 has 20 divisors (see below), whose sum is σ = 1090692096. Its totient is φ = 263876640.

The previous prime is 545345539. The next prime is 545345557. The reversal of 545345552 is 255543545.

545345552 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (545345557) 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, 549248 + ... + 550239.

Almost surely, 2^545345552 is an apocalyptic number.

It is an amenable number.

545345552 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

545345552 is a wasteful number, since it uses less digits than its factorization.

545345552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099526 (or 1099520 counting only the distinct ones).

The product of its digits is 300000, while the sum is 38.

The square root of 545345552 is about 23352.6347978124. The cubic root of 545345552 is about 817.0035151489.

The spelling of 545345552 in words is "five hundred forty-five million, three hundred forty-five thousand, five hundred fifty-two".