53623656 has 48 divisors (see below), whose sum is σ = 149163300. Its totient is φ = 17390592.

The previous prime is 53623631. The next prime is 53623667. The reversal of 53623656 is 65632635.

53623656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43164900 + 10458756 = 6570^2 + 3234^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53623656.

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 11 ways as a sum of consecutive naturals, for example, 7401 + ... + 12728.

Almost surely, 2^53623656 is an apocalyptic number.

It is an amenable number.

53623656 is an abundant number, since it is smaller than the sum of its proper divisors (95539644).

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

53623656 is a wasteful number, since it uses less digits than its factorization.

53623656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20178 (or 20171 counting only the distinct ones).

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

The square root of 53623656 is about 7322.8174905565. The cubic root of 53623656 is about 377.0961861768.

The spelling of 53623656 in words is "fifty-three million, six hundred twenty-three thousand, six hundred fifty-six".