55443134212 has 12 divisors (see below), whose sum is σ = 102732866460. Its totient is φ = 26090886656.

The previous prime is 55443134203. The next prime is 55443134221. The reversal of 55443134212 is 21243134455.

It is an interprime number because it is at equal distance from previous prime (55443134203) and next prime (55443134221).

It can be written as a sum of positive squares in 2 ways, for example, as 28051560196 + 27391574016 = 167486^2 + 165504^2 .

It is a super-2 number, since 2×55443134212² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407670037 + ... + 407670172.

It is an arithmetic number, because the mean of its divisors is an integer number (8561072205).

Almost surely, 2^55443134212 is an apocalyptic number.

It is an amenable number.

55443134212 is a deficient number, since it is larger than the sum of its proper divisors (47289732248).

55443134212 is a wasteful number, since it uses less digits than its factorization.

55443134212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815340230 (or 815340228 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

Adding to 55443134212 its reverse (21243134455), we get a palindrome (76686268667).

The spelling of 55443134212 in words is "fifty-five billion, four hundred forty-three million, one hundred thirty-four thousand, two hundred twelve".