52661152 has 12 divisors (see below), whose sum is σ = 103676706. Its totient is φ = 26330560.

The previous prime is 52661149. The next prime is 52661159. The reversal of 52661152 is 25116625.

It can be written as a sum of positive squares in only one way, i.e., 33686416 + 18974736 = 5804^2 + 4356^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52661152.

It is not an unprimeable number, because it can be changed into a prime (52661159) 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 as a sum of consecutive naturals, namely, 822799 + ... + 822862.

Almost surely, 2^52661152 is an apocalyptic number.

It is an amenable number.

52661152 is a deficient number, since it is larger than the sum of its proper divisors (51015554).

52661152 is a wasteful number, since it uses less digits than its factorization.

52661152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645671 (or 1645663 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 52661152 is about 7256.8003968691. The cubic root of 52661152 is about 374.8263539749.

Adding to 52661152 its reverse (25116625), we get a palindrome (77777777).

The spelling of 52661152 in words is "fifty-two million, six hundred sixty-one thousand, one hundred fifty-two".