55044488507 has 2 divisors, whose sum is σ = 55044488508. Its totient is φ = 55044488506.

The previous prime is 55044488489. The next prime is 55044488531. The reversal of 55044488507 is 70588444055.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55044488507 is a prime.

It is not a weakly prime, because it can be changed into another prime (55044488567) 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, 27522244253 + 27522244254.

It is an arithmetic number, because the mean of its divisors is an integer number (27522244254).

Almost surely, 2^55044488507 is an apocalyptic number.

55044488507 is a deficient number, since it is larger than the sum of its proper divisors (1).

55044488507 is an equidigital number, since it uses as much as digits as its factorization.

55044488507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584000, while the sum is 50.

The spelling of 55044488507 in words is "fifty-five billion, forty-four million, four hundred eighty-eight thousand, five hundred seven".