55775449932967 has 2 divisors, whose sum is σ = 55775449932968. Its totient is φ = 55775449932966.

The previous prime is 55775449932941. The next prime is 55775449932997. The reversal of 55775449932967 is 76923994457755.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55775449932967 is a prime.

It is a super-2 number, since 2×55775449932967² (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 (55775449932997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27887724966483 + 27887724966484.

It is an arithmetic number, because the mean of its divisors is an integer number (27887724966484).

Almost surely, 2^{55775449932967} is an apocalyptic number.

55775449932967 is a deficient number, since it is larger than the sum of its proper divisors (1).

55775449932967 is an equidigital number, since it uses as much as digits as its factorization.

55775449932967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18003384000, while the sum is 82.

The spelling of 55775449932967 in words is "fifty-five trillion, seven hundred seventy-five billion, four hundred forty-nine million, nine hundred thirty-two thousand, nine hundred sixty-seven".