55263423983 has 2 divisors, whose sum is σ = 55263423984. Its totient is φ = 55263423982.

The previous prime is 55263423979. The next prime is 55263424043. The reversal of 55263423983 is 38932436255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55263423983 - 2² = 55263423979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55263423923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27631711991 + 27631711992.

It is an arithmetic number, because the mean of its divisors is an integer number (27631711992).

Almost surely, 2^55263423983 is an apocalyptic number.

55263423983 is a deficient number, since it is larger than the sum of its proper divisors (1).

55263423983 is an equidigital number, since it uses as much as digits as its factorization.

55263423983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 50.

The spelling of 55263423983 in words is "fifty-five billion, two hundred sixty-three million, four hundred twenty-three thousand, nine hundred eighty-three".