55132431123 has 32 divisors (see below), whose sum is σ = 93780099072. Its totient is φ = 27974167200.

The previous prime is 55132431121. The next prime is 55132431131. The reversal of 55132431123 is 32113423155.

It is not a de Polignac number, because 55132431123 - 2¹ = 55132431121 is a prime.

It is a super-2 number, since 2×55132431123² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55132431121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2765283 + ... + 2785148.

It is an arithmetic number, because the mean of its divisors is an integer number (2930628096).

Almost surely, 2^55132431123 is an apocalyptic number.

55132431123 is a deficient number, since it is larger than the sum of its proper divisors (38647667949).

55132431123 is a wasteful number, since it uses less digits than its factorization.

55132431123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550495.

The product of its digits is 10800, while the sum is 30.

Adding to 55132431123 its reverse (32113423155), we get a palindrome (87245854278).

The spelling of 55132431123 in words is "fifty-five billion, one hundred thirty-two million, four hundred thirty-one thousand, one hundred twenty-three".