53555523 has 16 divisors (see below), whose sum is σ = 85157376. Its totient is φ = 29272320.

The previous prime is 53555521. The next prime is 53555527. The reversal of 53555523 is 32555535.

It is not a de Polignac number, because 53555523 - 2¹ = 53555521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53555521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54958 + ... + 55923.

It is an arithmetic number, because the mean of its divisors is an integer number (5322336).

Almost surely, 2^53555523 is an apocalyptic number.

53555523 is a deficient number, since it is larger than the sum of its proper divisors (31601853).

53555523 is a wasteful number, since it uses less digits than its factorization.

53555523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110914.

The product of its digits is 56250, while the sum is 33.

The square root of 53555523 is about 7318.1639090690. The cubic root of 53555523 is about 376.9364085365.

It can be divided in two parts, 5355 and 5523, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 53555523 in words is "fifty-three million, five hundred fifty-five thousand, five hundred twenty-three".