55726260479 has 2 divisors, whose sum is σ = 55726260480. Its totient is φ = 55726260478.

The previous prime is 55726260467. The next prime is 55726260497. The reversal of 55726260479 is 97406262755.

Together with next prime (55726260497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55726260479 - 2³² = 51431293183 is a prime.

It is a super-2 number, since 2×55726260479² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55726260479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55726260409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27863130239 + 27863130240.

It is an arithmetic number, because the mean of its divisors is an integer number (27863130240).

Almost surely, 2^55726260479 is an apocalyptic number.

55726260479 is a deficient number, since it is larger than the sum of its proper divisors (1).

55726260479 is an equidigital number, since it uses as much as digits as its factorization.

55726260479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 55726260479 in words is "fifty-five billion, seven hundred twenty-six million, two hundred sixty thousand, four hundred seventy-nine".