55512235242 has 24 divisors (see below), whose sum is σ = 120346464420. Its totient is φ = 18493316160.

The previous prime is 55512235193. The next prime is 55512235243. The reversal of 55512235242 is 24253221555.

55512235242 is a `hidden beast` number, since 5 + 5 + 5 + 122 + 3 + 524 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51947070561 + 3565164681 = 227919^2 + 59709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55512235197 and 55512235206.

It is not an unprimeable number, because it can be changed into a prime (55512235243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 865017 + ... + 926972.

Almost surely, 2^55512235242 is an apocalyptic number.

55512235242 is an abundant number, since it is smaller than the sum of its proper divisors (64834229178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55512235242 is a wasteful number, since it uses less digits than its factorization.

55512235242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793718 (or 1793715 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

Adding to 55512235242 its reverse (24253221555), we get a palindrome (79765456797).

The spelling of 55512235242 in words is "fifty-five billion, five hundred twelve million, two hundred thirty-five thousand, two hundred forty-two".