55918419653 has 2 divisors, whose sum is σ = 55918419654. Its totient is φ = 55918419652.

The previous prime is 55918419647. The next prime is 55918419673. The reversal of 55918419653 is 35691481955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55892997889 + 25421764 = 236417^2 + 5042^2 .

It is a cyclic number.

It is not a de Polignac number, because 55918419653 - 2¹⁶ = 55918354117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55918419673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27959209826 + 27959209827.

It is an arithmetic number, because the mean of its divisors is an integer number (27959209827).

Almost surely, 2^55918419653 is an apocalyptic number.

It is an amenable number.

55918419653 is a deficient number, since it is larger than the sum of its proper divisors (1).

55918419653 is an equidigital number, since it uses as much as digits as its factorization.

55918419653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832000, while the sum is 56.

The spelling of 55918419653 in words is "fifty-five billion, nine hundred eighteen million, four hundred nineteen thousand, six hundred fifty-three".