52821548 has 24 divisors (see below), whose sum is σ = 99816528. Its totient is φ = 24313536.

The previous prime is 52821541. The next prime is 52821553. The reversal of 52821548 is 84512825.

It is a happy number.

It is a Smith number, since the sum of its digits (35) 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 (52821541) 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, 21890 + ... + 24182.

It is an arithmetic number, because the mean of its divisors is an integer number (4159022).

Almost surely, 2^52821548 is an apocalyptic number.

It is an amenable number.

52821548 is a deficient number, since it is larger than the sum of its proper divisors (46994980).

52821548 is a wasteful number, since it uses less digits than its factorization.

52821548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753 (or 2751 counting only the distinct ones).

The product of its digits is 25600, while the sum is 35.

The square root of 52821548 is about 7267.8434215385. The cubic root of 52821548 is about 375.2065185423.

The spelling of 52821548 in words is "fifty-two million, eight hundred twenty-one thousand, five hundred forty-eight".