55054987896641 has 2 divisors, whose sum is σ = 55054987896642. Its totient is φ = 55054987896640.

The previous prime is 55054987896631. The next prime is 55054987896737. The reversal of 55054987896641 is 14669878945055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52501559673616 + 2553428223025 = 7245796^2 + 1597945^2 .

It is a cyclic number.

It is not a de Polignac number, because 55054987896641 - 2⁶ = 55054987896577 is a prime.

It is not a weakly prime, because it can be changed into another prime (55054987896631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527493948320 + 27527493948321.

It is an arithmetic number, because the mean of its divisors is an integer number (27527493948321).

Almost surely, 2^{55054987896641} is an apocalyptic number.

It is an amenable number.

55054987896641 is a deficient number, since it is larger than the sum of its proper divisors (1).

55054987896641 is an equidigital number, since it uses as much as digits as its factorization.

55054987896641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736000, while the sum is 77.

The spelling of 55054987896641 in words is "fifty-five trillion, fifty-four billion, nine hundred eighty-seven million, eight hundred ninety-six thousand, six hundred forty-one".