63557252 has 12 divisors (see below), whose sum is σ = 121336656. Its totient is φ = 28889640.

The previous prime is 63557239. The next prime is 63557269. The reversal of 63557252 is 25275536.

63557252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722198 + ... + 722285.

It is an arithmetic number, because the mean of its divisors is an integer number (10111388).

Almost surely, 2^63557252 is an apocalyptic number.

It is an amenable number.

63557252 is a deficient number, since it is larger than the sum of its proper divisors (57779404).

63557252 is a wasteful number, since it uses less digits than its factorization.

63557252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444498 (or 1444496 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 63557252 is about 7972.2802258827. The cubic root of 63557252 is about 399.0754731047.

The spelling of 63557252 in words is "sixty-three million, five hundred fifty-seven thousand, two hundred fifty-two".