53642636 has 6 divisors (see below), whose sum is σ = 93874620. Its totient is φ = 26821316.

The previous prime is 53642627. The next prime is 53642653. The reversal of 53642636 is 63624635.

It is a junction number, because it is equal to n+sod(n) for n = 53642596 and 53642605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6705326 + ... + 6705333.

It is an arithmetic number, because the mean of its divisors is an integer number (15645770).

Almost surely, 2^53642636 is an apocalyptic number.

It is an amenable number.

53642636 is a deficient number, since it is larger than the sum of its proper divisors (40231984).

53642636 is a wasteful number, since it uses less digits than its factorization.

53642636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13410663 (or 13410661 counting only the distinct ones).

The product of its digits is 77760, while the sum is 35.

The square root of 53642636 is about 7324.1133251746. The cubic root of 53642636 is about 377.1406717756.

It can be divided in two parts, 5364 and 2636, that added together give a cube (8000 = 20³).

The spelling of 53642636 in words is "fifty-three million, six hundred forty-two thousand, six hundred thirty-six".