55044437699 has 2 divisors, whose sum is σ = 55044437700. Its totient is φ = 55044437698.

The previous prime is 55044437681. The next prime is 55044437771. The reversal of 55044437699 is 99673444055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55044437699 - 2³² = 50749470403 is a prime.

It is not a weakly prime, because it can be changed into another prime (55044437629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27522218849 + 27522218850.

It is an arithmetic number, because the mean of its divisors is an integer number (27522218850).

Almost surely, 2^55044437699 is an apocalyptic number.

55044437699 is a deficient number, since it is larger than the sum of its proper divisors (1).

55044437699 is an equidigital number, since it uses as much as digits as its factorization.

55044437699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 55044437699 in words is "fifty-five billion, forty-four million, four hundred thirty-seven thousand, six hundred ninety-nine".