52721282 has 8 divisors (see below), whose sum is σ = 80083200. Its totient is φ = 26026884.

The previous prime is 52721113. The next prime is 52721287. The reversal of 52721282 is 28212725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (52721287) 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 3 ways as a sum of consecutive naturals, for example, 166682 + ... + 166997.

It is an arithmetic number, because the mean of its divisors is an integer number (10010400).

Almost surely, 2^52721282 is an apocalyptic number.

52721282 is a deficient number, since it is larger than the sum of its proper divisors (27361918).

52721282 is a wasteful number, since it uses less digits than its factorization.

52721282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333760.

The product of its digits is 4480, while the sum is 29.

The square root of 52721282 is about 7260.9422253589. The cubic root of 52721282 is about 374.9689621719.

The spelling of 52721282 in words is "fifty-two million, seven hundred twenty-one thousand, two hundred eighty-two".