52543072 has 12 divisors (see below), whose sum is σ = 103444236. Its totient is φ = 26271520.

The previous prime is 52543069. The next prime is 52543093. The reversal of 52543072 is 27034525.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52543072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820954 + ... + 821017.

It is an arithmetic number, because the mean of its divisors is an integer number (8620353).

Almost surely, 2^52543072 is an apocalyptic number.

It is an amenable number.

52543072 is a deficient number, since it is larger than the sum of its proper divisors (50901164).

52543072 is a wasteful number, since it uses less digits than its factorization.

52543072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641981 (or 1641973 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 52543072 is about 7248.6600140992. The cubic root of 52543072 is about 374.5459915958.

Adding to 52543072 its reverse (27034525), we get a palindrome (79577597).

The spelling of 52543072 in words is "fifty-two million, five hundred forty-three thousand, seventy-two".