55230211332 has 144 divisors (see below), whose sum is σ = 148912632960. Its totient is φ = 17210340864.

The previous prime is 55230211331. The next prime is 55230211357. The reversal of 55230211332 is 23311203255.

It is a happy number.

55230211332 is a `hidden beast` number, since 5 + 523 + 0 + 2 + 1 + 133 + 2 = 666.

55230211332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55230211296 and 55230211305.

It is not an unprimeable number, because it can be changed into a prime (55230211331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22332048 + ... + 22334520.

Almost surely, 2^55230211332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55230211332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74456316480).

55230211332 is an abundant number, since it is smaller than the sum of its proper divisors (93682421628).

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

55230211332 is a wasteful number, since it uses less digits than its factorization.

55230211332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922 (or 2917 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 55230211332 its reverse (23311203255), we get a palindrome (78541414587).

The spelling of 55230211332 in words is "fifty-five billion, two hundred thirty million, two hundred eleven thousand, three hundred thirty-two".