55005106059481 has 2 divisors, whose sum is σ = 55005106059482. Its totient is φ = 55005106059480.

The previous prime is 55005106059461. The next prime is 55005106059493. The reversal of 55005106059481 is 18495060150055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54996818688256 + 8287371225 = 7415984^2 + 91035^2 .

It is a cyclic number.

It is not a de Polignac number, because 55005106059481 - 2⁷ = 55005106059353 is a prime.

It is a super-2 number, since 2×55005106059481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55005106059401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502553029740 + 27502553029741.

It is an arithmetic number, because the mean of its divisors is an integer number (27502553029741).

Almost surely, 2^{55005106059481} is an apocalyptic number.

It is an amenable number.

55005106059481 is a deficient number, since it is larger than the sum of its proper divisors (1).

55005106059481 is an equidigital number, since it uses as much as digits as its factorization.

55005106059481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 49.

The spelling of 55005106059481 in words is "fifty-five trillion, five billion, one hundred six million, fifty-nine thousand, four hundred eighty-one".