55783355338727 has 2 divisors, whose sum is σ = 55783355338728. Its totient is φ = 55783355338726.

The previous prime is 55783355338717. The next prime is 55783355338793. The reversal of 55783355338727 is 72783355338755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55783355338727 - 2⁸ = 55783355338471 is a prime.

It is a super-2 number, since 2×55783355338727² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55783355338717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27891677669363 + 27891677669364.

It is an arithmetic number, because the mean of its divisors is an integer number (27891677669364).

Almost surely, 2^{55783355338727} is an apocalyptic number.

55783355338727 is a deficient number, since it is larger than the sum of its proper divisors (1).

55783355338727 is an equidigital number, since it uses as much as digits as its factorization.

55783355338727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2222640000, while the sum is 71.

The spelling of 55783355338727 in words is "fifty-five trillion, seven hundred eighty-three billion, three hundred fifty-five million, three hundred thirty-eight thousand, seven hundred twenty-seven".