53555623 has 16 divisors (see below), whose sum is σ = 61943040. Its totient is φ = 45792000.

The previous prime is 53555617. The next prime is 53555639. The reversal of 53555623 is 32655535.

53555623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53555623 - 2⁹ = 53555111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53555603) 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 15 ways as a sum of consecutive naturals, for example, 30711 + ... + 32407.

It is an arithmetic number, because the mean of its divisors is an integer number (3871440).

Almost surely, 2^53555623 is an apocalyptic number.

53555623 is a deficient number, since it is larger than the sum of its proper divisors (8387417).

53555623 is a wasteful number, since it uses less digits than its factorization.

53555623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878.

The product of its digits is 67500, while the sum is 34.

The square root of 53555623 is about 7318.1707413807. The cubic root of 53555623 is about 376.9366431442.

The spelling of 53555623 in words is "fifty-three million, five hundred fifty-five thousand, six hundred twenty-three".