63552643 has 16 divisors (see below), whose sum is σ = 81379584. Its totient is φ = 48180960.

The previous prime is 63552641. The next prime is 63552653. The reversal of 63552643 is 34625536.

It is a cyclic number.

It is not a de Polignac number, because 63552643 - 2¹ = 63552641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63552599 and 63552608.

It is not an unprimeable number, because it can be changed into a prime (63552641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8305 + ... + 14002.

It is an arithmetic number, because the mean of its divisors is an integer number (5086224).

Almost surely, 2^63552643 is an apocalyptic number.

63552643 is a deficient number, since it is larger than the sum of its proper divisors (17826941).

63552643 is a wasteful number, since it uses less digits than its factorization.

63552643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22362.

The product of its digits is 64800, while the sum is 34.

The square root of 63552643 is about 7971.9911565430. The cubic root of 63552643 is about 399.0658262469.

It can be divided in two parts, 6355 and 2643, that added together give a palindrome (8998).

The spelling of 63552643 in words is "sixty-three million, five hundred fifty-two thousand, six hundred forty-three".