53630661 has 16 divisors (see below), whose sum is σ = 81833600. Its totient is φ = 30604608.

The previous prime is 53630659. The next prime is 53630671. The reversal of 53630661 is 16603635.

53630661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53630661 - 2¹ = 53630659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53630611) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21255 + ... + 23643.

It is an arithmetic number, because the mean of its divisors is an integer number (5114600).

Almost surely, 2^53630661 is an apocalyptic number.

It is an amenable number.

53630661 is a deficient number, since it is larger than the sum of its proper divisors (28202939).

53630661 is a wasteful number, since it uses less digits than its factorization.

53630661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 53630661 is about 7323.2957744447. The cubic root of 53630661 is about 377.1126058192.

The spelling of 53630661 in words is "fifty-three million, six hundred thirty thousand, six hundred sixty-one".