55033001123 has 4 divisors (see below), whose sum is σ = 55038594120. Its totient is φ = 55027408128.

The previous prime is 55033001113. The next prime is 55033001141. The reversal of 55033001123 is 32110033055.

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

It is a cyclic number.

It is not a de Polignac number, because 55033001123 - 2²⁴ = 55016223907 is a prime.

It is a super-2 number, since 2×55033001123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55033001113) 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 3 ways as a sum of consecutive naturals, for example, 2781713 + ... + 2801426.

It is an arithmetic number, because the mean of its divisors is an integer number (13759648530).

Almost surely, 2^55033001123 is an apocalyptic number.

55033001123 is a deficient number, since it is larger than the sum of its proper divisors (5592997).

55033001123 is an equidigital number, since it uses as much as digits as its factorization.

55033001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592996.

The product of its (nonzero) digits is 1350, while the sum is 23.

Adding to 55033001123 its reverse (32110033055), we get a palindrome (87143034178).

The spelling of 55033001123 in words is "fifty-five billion, thirty-three million, one thousand, one hundred twenty-three".