537355728 has 160 divisors (see below), whose sum is σ = 1898489600. Its totient is φ = 141709824.

The previous prime is 537355723. The next prime is 537355729. The reversal of 537355728 is 827553735.

537355728 is a `hidden beast` number, since 5 + 3 + 73 + 5 + 572 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537355723) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 32478 + ... + 46146.

It is an arithmetic number, because the mean of its divisors is an integer number (11865560).

Almost surely, 2^537355728 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 537355728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949244800).

537355728 is an abundant number, since it is smaller than the sum of its proper divisors (1361133872).

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

537355728 is a wasteful number, since it uses less digits than its factorization.

537355728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13706 (or 13694 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 537355728 is about 23180.9345799517. The cubic root of 537355728 is about 812.9939134360.

The spelling of 537355728 in words is "five hundred thirty-seven million, three hundred fifty-five thousand, seven hundred twenty-eight".