52454728 has 32 divisors (see below), whose sum is σ = 102044160. Its totient is φ = 25251840.

The previous prime is 52454723. The next prime is 52454747. The reversal of 52454728 is 82745425.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (52454723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63325 + ... + 64147.

It is an arithmetic number, because the mean of its divisors is an integer number (3188880).

Almost surely, 2^52454728 is an apocalyptic number.

It is an amenable number.

52454728 is a deficient number, since it is larger than the sum of its proper divisors (49589432).

52454728 is a wasteful number, since it uses less digits than its factorization.

52454728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1113 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 52454728 is about 7242.5636345151. The cubic root of 52454728 is about 374.3359578592.

The spelling of 52454728 in words is "fifty-two million, four hundred fifty-four thousand, seven hundred twenty-eight".