55133405433 has 8 divisors (see below), whose sum is σ = 81679119200. Its totient is φ = 36755603604.

The previous prime is 55133405407. The next prime is 55133405513. The reversal of 55133405433 is 33450433155.

55133405433 is a `hidden beast` number, since 55 + 133 + 40 + 5 + 433 = 666.

It is not a de Polignac number, because 55133405433 - 2²⁶ = 55066296569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55133400433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020988963 + ... + 1020989016.

It is an arithmetic number, because the mean of its divisors is an integer number (10209889900).

Almost surely, 2^55133405433 is an apocalyptic number.

It is an amenable number.

55133405433 is a deficient number, since it is larger than the sum of its proper divisors (26545713767).

55133405433 is a wasteful number, since it uses less digits than its factorization.

55133405433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041977988 (or 2041977982 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 55133405433 its reverse (33450433155), we get a palindrome (88583838588).

The spelling of 55133405433 in words is "fifty-five billion, one hundred thirty-three million, four hundred five thousand, four hundred thirty-three".