55938801827 has 2 divisors, whose sum is σ = 55938801828. Its totient is φ = 55938801826.

The previous prime is 55938801817. The next prime is 55938801901. The reversal of 55938801827 is 72810883955.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55938801827 - 2¹⁰ = 55938800803 is a prime.

It is not a weakly prime, because it can be changed into another prime (55938801817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27969400913 + 27969400914.

It is an arithmetic number, because the mean of its divisors is an integer number (27969400914).

Almost surely, 2^55938801827 is an apocalyptic number.

55938801827 is a deficient number, since it is larger than the sum of its proper divisors (1).

55938801827 is an equidigital number, since it uses as much as digits as its factorization.

55938801827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 55938801827 in words is "fifty-five billion, nine hundred thirty-eight million, eight hundred one thousand, eight hundred twenty-seven".