53656632 has 24 divisors (see below), whose sum is σ = 145320240. Its totient is φ = 17885520.

The previous prime is 53656621. The next prime is 53656633. The reversal of 53656632 is 23665635.

53656632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53656633) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 372544 + ... + 372687.

It is an arithmetic number, because the mean of its divisors is an integer number (6055010).

Almost surely, 2^53656632 is an apocalyptic number.

It is an amenable number.

53656632 is an abundant number, since it is smaller than the sum of its proper divisors (91663608).

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

53656632 is a wasteful number, since it uses less digits than its factorization.

53656632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745243 (or 745236 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 53656632 is about 7325.0687368789. The cubic root of 53656632 is about 377.1734690815.

The spelling of 53656632 in words is "fifty-three million, six hundred fifty-six thousand, six hundred thirty-two".