53653856 has 24 divisors (see below), whose sum is σ = 106908984. Its totient is φ = 26502400.

The previous prime is 53653843. The next prime is 53653883. The reversal of 53653856 is 65835635.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 7445 + ... + 12756.

It is an arithmetic number, because the mean of its divisors is an integer number (4454541).

Almost surely, 2^53653856 is an apocalyptic number.

It is an amenable number.

53653856 is a deficient number, since it is larger than the sum of its proper divisors (53255128).

53653856 is a wasteful number, since it uses less digits than its factorization.

53653856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20294 (or 20286 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 53653856 is about 7324.8792481515. The cubic root of 53653856 is about 377.1669644392.

The spelling of 53653856 in words is "fifty-three million, six hundred fifty-three thousand, eight hundred fifty-six".