55381860726200 has 96 divisors (see below), whose sum is σ = 128900036179200. Its totient is φ = 22129150803840.

The previous prime is 55381860726109. The next prime is 55381860726217. The reversal of 55381860726200 is 262706818355.

It is a Cunningham number, because it is equal to 7441899²-1.

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, 744152591 + ... + 744227009.

It is an arithmetic number, because the mean of its divisors is an integer number (1342708710200).

Almost surely, 2^{55381860726200} is an apocalyptic number.

55381860726200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55381860726200 is an abundant number, since it is smaller than the sum of its proper divisors (73518175453000).

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

55381860726200 is a wasteful number, since it uses less digits than its factorization.

55381860726200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78349 (or 78340 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 55381860726200 in words is "fifty-five trillion, three hundred eighty-one billion, eight hundred sixty million, seven hundred twenty-six thousand, two hundred".