537721504 has 24 divisors (see below), whose sum is σ = 1073145780. Its totient is φ = 265176576.

The previous prime is 537721447. The next prime is 537721529. The reversal of 537721504 is 405127735.

It can be written as a sum of positive squares in 2 ways, for example, as 517471504 + 20250000 = 22748^2 + 4500^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 537721504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112759 + ... + 117430.

Almost surely, 2^537721504 is an apocalyptic number.

It is an amenable number.

537721504 is a deficient number, since it is larger than the sum of its proper divisors (535424276).

537721504 is a wasteful number, since it uses less digits than its factorization.

537721504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230272 (or 230264 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 537721504 is about 23188.8228248007. The cubic root of 537721504 is about 813.1783388845.

The spelling of 537721504 in words is "five hundred thirty-seven million, seven hundred twenty-one thousand, five hundred four".