55544831983 has 2 divisors, whose sum is σ = 55544831984. Its totient is φ = 55544831982.

The previous prime is 55544831977. The next prime is 55544832017. The reversal of 55544831983 is 38913844555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55544831983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55544838983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27772415991 + 27772415992.

It is an arithmetic number, because the mean of its divisors is an integer number (27772415992).

Almost surely, 2^55544831983 is an apocalyptic number.

55544831983 is a deficient number, since it is larger than the sum of its proper divisors (1).

55544831983 is an equidigital number, since it uses as much as digits as its factorization.

55544831983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368000, while the sum is 55.

The spelling of 55544831983 in words is "fifty-five billion, five hundred forty-four million, eight hundred thirty-one thousand, nine hundred eighty-three".