53866636 has 6 divisors (see below), whose sum is σ = 94266620. Its totient is φ = 26933316.

The previous prime is 53866613. The next prime is 53866639. The reversal of 53866636 is 63666835.

53866636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53866636² = 5803228947912992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53866592 and 53866601.

It is not an unprimeable number, because it can be changed into a prime (53866639) 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 as a sum of consecutive naturals, namely, 6733326 + ... + 6733333.

Almost surely, 2^53866636 is an apocalyptic number.

It is an amenable number.

53866636 is a deficient number, since it is larger than the sum of its proper divisors (40399984).

53866636 is a wasteful number, since it uses less digits than its factorization.

53866636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13466663 (or 13466661 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

The square root of 53866636 is about 7339.3893478954. The cubic root of 53866636 is about 377.6648952878.

The spelling of 53866636 in words is "fifty-three million, eight hundred sixty-six thousand, six hundred thirty-six".