53086656 has 56 divisors (see below), whose sum is σ = 160528000. Its totient is φ = 15167232.

The previous prime is 53086651. The next prime is 53086669. The reversal of 53086656 is 65668035.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53086651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18406 + ... + 21093.

Almost surely, 2^53086656 is an apocalyptic number.

53086656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53086656 is an abundant number, since it is smaller than the sum of its proper divisors (107441344).

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

53086656 is a wasteful number, since it uses less digits than its factorization.

53086656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39521 (or 39511 counting only the distinct ones).

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

The square root of 53086656 is about 7286.0590170544. The cubic root of 53086656 is about 375.8331838857.

The spelling of 53086656 in words is "fifty-three million, eighty-six thousand, six hundred fifty-six".