53655812 has 12 divisors (see below), whose sum is σ = 107311680. Its totient is φ = 22995336.

The previous prime is 53655799. The next prime is 53655853. The reversal of 53655812 is 21855635.

53655812 is an admirable number.

It is a super-2 number, since 2×53655812² = 5757892322758688, which contains 22 as substring.

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, 958112 + ... + 958167.

It is an arithmetic number, because the mean of its divisors is an integer number (8942640).

Almost surely, 2^53655812 is an apocalyptic number.

It is an amenable number.

53655812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53655812 is a wasteful number, since it uses less digits than its factorization.

53655812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916290 (or 1916288 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 53655812 is about 7325.0127644940. The cubic root of 53655812 is about 377.1715477048.

The spelling of 53655812 in words is "fifty-three million, six hundred fifty-five thousand, eight hundred twelve".