55000919641 has 2 divisors, whose sum is σ = 55000919642. Its totient is φ = 55000919640.

The previous prime is 55000919599. The next prime is 55000919657. The reversal of 55000919641 is 14691900055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54851982025 + 148937616 = 234205^2 + 12204^2 .

It is a cyclic number.

It is not a de Polignac number, because 55000919641 - 2²⁷ = 54866701913 is a prime.

It is a super-2 number, since 2×55000919641² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55000919594 and 55000919603.

It is not a weakly prime, because it can be changed into another prime (55000910641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500459820 + 27500459821.

It is an arithmetic number, because the mean of its divisors is an integer number (27500459821).

Almost surely, 2^55000919641 is an apocalyptic number.

It is an amenable number.

55000919641 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000919641 is an equidigital number, since it uses as much as digits as its factorization.

55000919641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 55000919641 in words is "fifty-five billion, nine hundred nineteen thousand, six hundred forty-one".