55240033200 has 180 divisors, whose sum is σ = 194501733384. Its totient is φ = 13391488000.

The previous prime is 55240033193. The next prime is 55240033213. The reversal of 55240033200 is 233004255.

It is a super-2 number, since 2×55240033200² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45021 + ... + 335420.

Almost surely, 2^55240033200 is an apocalyptic number.

55240033200 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 55240033200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97250866692).

55240033200 is an abundant number, since it is smaller than the sum of its proper divisors (139261700184).

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

55240033200 is a wasteful number, since it uses less digits than its factorization.

55240033200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380484 (or 380462 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

Adding to 55240033200 its reverse (233004255), we get a palindrome (55473037455).

The spelling of 55240033200 in words is "fifty-five billion, two hundred forty million, thirty-three thousand, two hundred".