53566860 has 24 divisors (see below), whose sum is σ = 149987376. Its totient is φ = 14284480.

The previous prime is 53566823. The next prime is 53566879. The reversal of 53566860 is 6866535.

53566860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 446331 + ... + 446450.

It is an arithmetic number, because the mean of its divisors is an integer number (6249474).

Almost surely, 2^53566860 is an apocalyptic number.

It is an amenable number.

53566860 is an abundant number, since it is smaller than the sum of its proper divisors (96420516).

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

53566860 is a wasteful number, since it uses less digits than its factorization.

53566860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892793 (or 892791 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 53566860 is about 7318.9384476166. The cubic root of 53566860 is about 376.9630041536.

The spelling of 53566860 in words is "fifty-three million, five hundred sixty-six thousand, eight hundred sixty".