55206222300 has 162 divisors, whose sum is σ = 179689259568. Its totient is φ = 14721484320.

The previous prime is 55206222287. The next prime is 55206222301. The reversal of 55206222300 is 322260255.

55206222300 is a `hidden beast` number, since 5 + 5 + 2 + 0 + 622 + 2 + 30 + 0 = 666.

55206222300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (162).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55206222301) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 614029 + ... + 698171.

Almost surely, 2^55206222300 is an apocalyptic number.

55206222300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55206222300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89844629784).

55206222300 is an abundant number, since it is smaller than the sum of its proper divisors (124483037268).

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

55206222300 is an equidigital number, since it uses as much as digits as its factorization.

55206222300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84181 (or 84153 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 55206222300 its reverse (322260255), we get a palindrome (55528482555).

The spelling of 55206222300 in words is "fifty-five billion, two hundred six million, two hundred twenty-two thousand, three hundred".