55402100000 has 288 divisors, whose sum is σ = 154615728960. Its totient is φ = 19370880000.

The previous prime is 55402099999. The next prime is 55402100077. The reversal of 55402100000 is 120455.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24698879 + ... + 24701121.

It is an arithmetic number, because the mean of its divisors is an integer number (536860170).

Almost surely, 2^55402100000 is an apocalyptic number.

55402100000 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 55402100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77307864480).

55402100000 is an abundant number, since it is smaller than the sum of its proper divisors (99213628960).

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

55402100000 is a wasteful number, since it uses less digits than its factorization.

55402100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310 (or 2282 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

Adding to 55402100000 its reverse (120455), we get a palindrome (55402220455).

The spelling of 55402100000 in words is "fifty-five billion, four hundred two million, one hundred thousand".