52563556 has 18 divisors (see below), whose sum is σ = 96163382. Its totient is φ = 25138080.

The previous prime is 52563551. The next prime is 52563583. The reversal of 52563556 is 65536525.

It can be written as a sum of positive squares in only one way, i.e., 33062500 + 19501056 = 5750^2 + 4416^2 .

It is not an unprimeable number, because it can be changed into a prime (52563551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10305 + ... + 14536.

Almost surely, 2^52563556 is an apocalyptic number.

It is an amenable number.

52563556 is a deficient number, since it is larger than the sum of its proper divisors (43599826).

52563556 is a wasteful number, since it uses less digits than its factorization.

52563556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24891 (or 24866 counting only the distinct ones).

The product of its digits is 135000, while the sum is 37.

The square root of 52563556 is about 7250.0728272204. The cubic root of 52563556 is about 374.5946577219.

The spelling of 52563556 in words is "fifty-two million, five hundred sixty-three thousand, five hundred fifty-six".