53555435444133 has 32 divisors (see below), whose sum is σ = 90713825875200. Its totient is φ = 30590295703488.

The previous prime is 53555435444131. The next prime is 53555435444149. The reversal of 53555435444133 is 33144453455535.

It is a happy number.

53555435444133 is a `hidden beast` number, since 5 + 3 + 5 + 5 + 54 + 3 + 544 + 41 + 3 + 3 = 666.

53555435444133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53555435444133 - 2¹ = 53555435444131 is a prime.

It is a super-2 number, since 2×53555435444133² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53555435444133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53555435444131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58854066 + ... + 59757107.

It is an arithmetic number, because the mean of its divisors is an integer number (2834807058600).

Almost surely, 2^{53555435444133} is an apocalyptic number.

It is an amenable number.

53555435444133 is a deficient number, since it is larger than the sum of its proper divisors (37158390431067).

53555435444133 is a wasteful number, since it uses less digits than its factorization.

53555435444133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118613578 (or 118613572 counting only the distinct ones).

The product of its digits is 64800000, while the sum is 54.

Adding to 53555435444133 its reverse (33144453455535), we get a palindrome (86699888899668).

The spelling of 53555435444133 in words is "fifty-three trillion, five hundred fifty-five billion, four hundred thirty-five million, four hundred forty-four thousand, one hundred thirty-three".