55537873499 has 2 divisors, whose sum is σ = 55537873500. Its totient is φ = 55537873498.

The previous prime is 55537873493. The next prime is 55537873561. The reversal of 55537873499 is 99437873555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55537873499 - 2⁴ = 55537873483 is a prime.

It is not a weakly prime, because it can be changed into another prime (55537873493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27768936749 + 27768936750.

It is an arithmetic number, because the mean of its divisors is an integer number (27768936750).

Almost surely, 2^55537873499 is an apocalyptic number.

55537873499 is a deficient number, since it is larger than the sum of its proper divisors (1).

55537873499 is an equidigital number, since it uses as much as digits as its factorization.

55537873499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884000, while the sum is 65.

The spelling of 55537873499 in words is "fifty-five billion, five hundred thirty-seven million, eight hundred seventy-three thousand, four hundred ninety-nine".