55461342200 has 144 divisors (see below), whose sum is σ = 143145447480. Its totient is φ = 19967200000.

The previous prime is 55461342187. The next prime is 55461342203. The reversal of 55461342200 is 224316455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55461342203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2432855 + ... + 2455545.

Almost surely, 2^55461342200 is an apocalyptic number.

55461342200 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 55461342200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71572723740).

55461342200 is an abundant number, since it is smaller than the sum of its proper divisors (87684105280).

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

55461342200 is a wasteful number, since it uses less digits than its factorization.

55461342200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22830 (or 22810 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 55461342200 its reverse (224316455), we get a palindrome (55685658655).

The spelling of 55461342200 in words is "fifty-five billion, four hundred sixty-one million, three hundred forty-two thousand, two hundred".