55132102231 has 4 divisors (see below), whose sum is σ = 55528736200. Its totient is φ = 54735468264.

The previous prime is 55132102213. The next prime is 55132102243. The reversal of 55132102231 is 13220123155.

55132102231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55132102231 - 2²¹ = 55130005079 is a prime.

It is a super-2 number, since 2×55132102231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55132102196 and 55132102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55132102211) 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, 198316776 + ... + 198317053.

It is an arithmetic number, because the mean of its divisors is an integer number (13882184050).

Almost surely, 2^55132102231 is an apocalyptic number.

55132102231 is a deficient number, since it is larger than the sum of its proper divisors (396633969).

55132102231 is a wasteful number, since it uses less digits than its factorization.

55132102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396633968.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 55132102231 its reverse (13220123155), we get a palindrome (68352225386).

The spelling of 55132102231 in words is "fifty-five billion, one hundred thirty-two million, one hundred two thousand, two hundred thirty-one".