545507248 has 80 divisors (see below), whose sum is σ = 1281917952. Its totient is φ = 221472000.

The previous prime is 545507227. The next prime is 545507251. The reversal of 545507248 is 842705545.

It is a self number, because there is not a number n which added to its sum of digits gives 545507248.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67083 + ... + 74773.

Almost surely, 2^545507248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545507248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640958976).

545507248 is an abundant number, since it is smaller than the sum of its proper divisors (736410704).

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

545507248 is a wasteful number, since it uses less digits than its factorization.

545507248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7754 (or 7748 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 545507248 is about 23356.0965916824. The cubic root of 545507248 is about 817.0842548716.

The spelling of 545507248 in words is "five hundred forty-five million, five hundred seven thousand, two hundred forty-eight".