53820056 has 32 divisors (see below), whose sum is σ = 106131600. Its totient is φ = 25549440.

The previous prime is 53820049. The next prime is 53820073. The reversal of 53820056 is 65002835.

53820056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 12251 + ... + 16053.

Almost surely, 2^53820056 is an apocalyptic number.

It is an amenable number.

53820056 is a deficient number, since it is larger than the sum of its proper divisors (52311544).

53820056 is a wasteful number, since it uses less digits than its factorization.

53820056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899 (or 3895 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 53820056 is about 7336.2153730653. The cubic root of 53820056 is about 377.5560047313.

The spelling of 53820056 in words is "fifty-three million, eight hundred twenty thousand, fifty-six".