55524423133 has 4 divisors (see below), whose sum is σ = 55528040988. Its totient is φ = 55520805280.

The previous prime is 55524423109. The next prime is 55524423139. The reversal of 55524423133 is 33132442555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29486728089 + 26037695044 = 171717^2 + 161362^2 .

It is a cyclic number.

It is not a de Polignac number, because 55524423133 - 2⁹ = 55524422621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55524423092 and 55524423101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55524423139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785808 + ... + 1816633.

It is an arithmetic number, because the mean of its divisors is an integer number (13882010247).

Almost surely, 2^55524423133 is an apocalyptic number.

It is an amenable number.

55524423133 is a deficient number, since it is larger than the sum of its proper divisors (3617855).

55524423133 is a wasteful number, since it uses less digits than its factorization.

55524423133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617854.

The product of its digits is 216000, while the sum is 37.

Adding to 55524423133 its reverse (33132442555), we get a palindrome (88656865688).

The spelling of 55524423133 in words is "fifty-five billion, five hundred twenty-four million, four hundred twenty-three thousand, one hundred thirty-three".