545247724 has 12 divisors (see below), whose sum is σ = 1090495504. Its totient is φ = 233677584.

The previous prime is 545247721. The next prime is 545247737. The reversal of 545247724 is 427742545.

545247724 is an admirable number.

It is a super-3 number, since 3×545247724³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (40) 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 (545247721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9736539 + ... + 9736594.

Almost surely, 2^545247724 is an apocalyptic number.

It is an amenable number.

545247724 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.

545247724 is a wasteful number, since it uses less digits than its factorization.

545247724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19473144 (or 19473142 counting only the distinct ones).

The product of its digits is 313600, while the sum is 40.

The square root of 545247724 is about 23350.5401222327. The cubic root of 545247724 is about 816.9546589089.

The spelling of 545247724 in words is "five hundred forty-five million, two hundred forty-seven thousand, seven hundred twenty-four".