52492728 has 16 divisors (see below), whose sum is σ = 131231880. Its totient is φ = 17497568.

The previous prime is 52492679. The next prime is 52492729. The reversal of 52492728 is 82729425.

52492728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52492729) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1093575 + ... + 1093622.

Almost surely, 2^52492728 is an apocalyptic number.

It is an amenable number.

52492728 is an abundant number, since it is smaller than the sum of its proper divisors (78739152).

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

52492728 is a wasteful number, since it uses less digits than its factorization.

52492728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187206 (or 2187202 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 52492728 is about 7245.1865400416. The cubic root of 52492728 is about 374.4263299658.

The spelling of 52492728 in words is "fifty-two million, four hundred ninety-two thousand, seven hundred twenty-eight".