53561836 has 12 divisors (see below), whose sum is σ = 98666680. Its totient is φ = 25371360.

The previous prime is 53561821. The next prime is 53561861. The reversal of 53561836 is 63816535.

53561836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53561795 and 53561804.

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, 352305 + ... + 352456.

Almost surely, 2^53561836 is an apocalyptic number.

It is an amenable number.

53561836 is a deficient number, since it is larger than the sum of its proper divisors (45104844).

53561836 is a wasteful number, since it uses less digits than its factorization.

53561836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704784 (or 704782 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 53561836 is about 7318.5952203958. The cubic root of 53561836 is about 376.9512187491.

The spelling of 53561836 in words is "fifty-three million, five hundred sixty-one thousand, eight hundred thirty-six".