55456212232 has 16 divisors (see below), whose sum is σ = 107334604800. Its totient is φ = 26833650960.

The previous prime is 55456212221. The next prime is 55456212233. The reversal of 55456212232 is 23221265455.

It is a junction number, because it is equal to n+sod(n) for n = 55456212191 and 55456212200.

It is not an unprimeable number, because it can be changed into a prime (55456212233) 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, 111806632 + ... + 111807127.

It is an arithmetic number, because the mean of its divisors is an integer number (6708412800).

Almost surely, 2^55456212232 is an apocalyptic number.

It is an amenable number.

55456212232 is a deficient number, since it is larger than the sum of its proper divisors (51878392568).

55456212232 is a wasteful number, since it uses less digits than its factorization.

55456212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223613796 (or 223613792 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

Adding to 55456212232 its reverse (23221265455), we get a palindrome (78677477687).

The spelling of 55456212232 in words is "fifty-five billion, four hundred fifty-six million, two hundred twelve thousand, two hundred thirty-two".