55244844078101 has 2 divisors, whose sum is σ = 55244844078102. Its totient is φ = 55244844078100.

The previous prime is 55244844077977. The next prime is 55244844078113. The reversal of 55244844078101 is 10187044844255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44540594167876 + 10704249910225 = 6673874^2 + 3271735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55244844078101 is a prime.

It is a super-2 number, since 2×55244844078101² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55244844078131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27622422039050 + 27622422039051.

It is an arithmetic number, because the mean of its divisors is an integer number (27622422039051).

Almost surely, 2^{55244844078101} is an apocalyptic number.

It is an amenable number.

55244844078101 is a deficient number, since it is larger than the sum of its proper divisors (1).

55244844078101 is an equidigital number, since it uses as much as digits as its factorization.

55244844078101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5734400, while the sum is 53.

The spelling of 55244844078101 in words is "fifty-five trillion, two hundred forty-four billion, eight hundred forty-four million, seventy-eight thousand, one hundred one".