53486656 has 28 divisors (see below), whose sum is σ = 109565440. Its totient is φ = 25879680.

The previous prime is 53486651. The next prime is 53486659. The reversal of 53486656 is 65668435.

It is not an unprimeable number, because it can be changed into a prime (53486651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11496 + ... + 15463.

Almost surely, 2^53486656 is an apocalyptic number.

It is an amenable number.

53486656 is an abundant number, since it is smaller than the sum of its proper divisors (56078784).

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

53486656 is a wasteful number, since it uses less digits than its factorization.

53486656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27002 (or 26992 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 53486656 is about 7313.4571852169. The cubic root of 53486656 is about 376.7747718349.

The spelling of 53486656 in words is "fifty-three million, four hundred eighty-six thousand, six hundred fifty-six".