55381860726199 has 16 divisors (see below), whose sum is σ = 65336390410240. Its totient is φ = 45938091790080.

The previous prime is 55381860726109. The next prime is 55381860726217. The reversal of 55381860726199 is 99162706818355.

55381860726199 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55381860726199 - 2³¹ = 55379713242551 is a prime.

It is a super-2 number, since 2×55381860726199² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55381860726109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10844962 + ... + 15112144.

It is an arithmetic number, because the mean of its divisors is an integer number (4083524400640).

Almost surely, 2^{55381860726199} is an apocalyptic number.

55381860726199 is a deficient number, since it is larger than the sum of its proper divisors (9954529684041).

55381860726199 is a wasteful number, since it uses less digits than its factorization.

55381860726199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327030.

The product of its (nonzero) digits is 195955200, while the sum is 70.

The spelling of 55381860726199 in words is "fifty-five trillion, three hundred eighty-one billion, eight hundred sixty million, seven hundred twenty-six thousand, one hundred ninety-nine".