57228211200 has 264 divisors, whose sum is σ = 189589209760. Its totient is φ = 15224832000.

The previous prime is 57228211177. The next prime is 57228211213. The reversal of 57228211200 is 211282275.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54450675 + ... + 54451725.

Almost surely, 2^57228211200 is an apocalyptic number.

57228211200 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 57228211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94794604880).

57228211200 is an abundant number, since it is smaller than the sum of its proper divisors (132360998560).

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

57228211200 is a wasteful number, since it uses less digits than its factorization.

57228211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

Adding to 57228211200 its reverse (211282275), we get a palindrome (57439493475).

The spelling of 57228211200 in words is "fifty-seven billion, two hundred twenty-eight million, two hundred eleven thousand, two hundred".