545742500 has 60 divisors (see below), whose sum is σ = 1263729852. Its totient is φ = 205440000.

The previous prime is 545742499. The next prime is 545742511. The reversal of 545742500 is 5247545.

It can be written as a sum of positive squares in 10 ways, for example, as 354418276 + 191324224 = 18826^2 + 13832^2 .

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 19 ways as a sum of consecutive naturals, for example, 36080 + ... + 48920.

Almost surely, 2^545742500 is an apocalyptic number.

545742500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545742500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631864926).

545742500 is an abundant number, since it is smaller than the sum of its proper divisors (717987352).

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

545742500 is a wasteful number, since it uses less digits than its factorization.

545742500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12882 (or 12865 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 545742500 is about 23361.1322499574. The cubic root of 545742500 is about 817.2016948510.

The spelling of 545742500 in words is "five hundred forty-five million, seven hundred forty-two thousand, five hundred".