55636004643511 has 2 divisors, whose sum is σ = 55636004643512. Its totient is φ = 55636004643510.

The previous prime is 55636004643491. The next prime is 55636004643523. The reversal of 55636004643511 is 11534640063655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55636004643511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55636004643811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27818002321755 + 27818002321756.

It is an arithmetic number, because the mean of its divisors is an integer number (27818002321756).

Almost surely, 2^{55636004643511} is an apocalyptic number.

55636004643511 is a deficient number, since it is larger than the sum of its proper divisors (1).

55636004643511 is an equidigital number, since it uses as much as digits as its factorization.

55636004643511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 55636004643511 in words is "fifty-five trillion, six hundred thirty-six billion, four million, six hundred forty-three thousand, five hundred eleven".