55100421344 has 48 divisors (see below), whose sum is σ = 114666451200. Its totient is φ = 25990925184.

The previous prime is 55100421331. The next prime is 55100421359. The reversal of 55100421344 is 44312400155.

55100421344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44282 + ... + 334905.

It is an arithmetic number, because the mean of its divisors is an integer number (2388884400).

Almost surely, 2^55100421344 is an apocalyptic number.

It is an amenable number.

55100421344 is an abundant number, since it is smaller than the sum of its proper divisors (59566029856).

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

55100421344 is a wasteful number, since it uses less digits than its factorization.

55100421344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379455 (or 379447 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 55100421344 its reverse (44312400155), we get a palindrome (99412821499).

The spelling of 55100421344 in words is "fifty-five billion, one hundred million, four hundred twenty-one thousand, three hundred forty-four".