55263423979 has 2 divisors, whose sum is σ = 55263423980. Its totient is φ = 55263423978.

The previous prime is 55263423947. The next prime is 55263423983. The reversal of 55263423979 is 97932436255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55263423979 - 2⁵ = 55263423947 is a prime.

It is not a weakly prime, because it can be changed into another prime (55263423179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27631711989 + 27631711990.

It is an arithmetic number, because the mean of its divisors is an integer number (27631711990).

Almost surely, 2^55263423979 is an apocalyptic number.

55263423979 is a deficient number, since it is larger than the sum of its proper divisors (1).

55263423979 is an equidigital number, since it uses as much as digits as its factorization.

55263423979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12247200, while the sum is 55.

The spelling of 55263423979 in words is "fifty-five billion, two hundred sixty-three million, four hundred twenty-three thousand, nine hundred seventy-nine".