55612271224 has 32 divisors (see below), whose sum is σ = 110740359600. Its totient is φ = 26091394560.

The previous prime is 55612271201. The next prime is 55612271227. The reversal of 55612271224 is 42217221655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55612271227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572679 + ... + 662710.

Almost surely, 2^55612271224 is an apocalyptic number.

It is an amenable number.

55612271224 is a deficient number, since it is larger than the sum of its proper divisors (55128088376).

55612271224 is a wasteful number, since it uses less digits than its factorization.

55612271224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235743 (or 1235739 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

Adding to 55612271224 its reverse (42217221655), we get a palindrome (97829492879).

It can be divided in two parts, 55612 and 271224, that added together give a triangular number (326836 = T₈₀₈).

The spelling of 55612271224 in words is "fifty-five billion, six hundred twelve million, two hundred seventy-one thousand, two hundred twenty-four".