55657776107267 has 2 divisors, whose sum is σ = 55657776107268. Its totient is φ = 55657776107266.

The previous prime is 55657776107257. The next prime is 55657776107281. The reversal of 55657776107267 is 76270167775655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55657776107267 - 2⁴ = 55657776107251 is a prime.

It is a super-2 number, since 2×55657776107267² (a number of 28 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 55657776107267.

It is not a weakly prime, because it can be changed into another prime (55657776107257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27828888053633 + 27828888053634.

It is an arithmetic number, because the mean of its divisors is an integer number (27828888053634).

Almost surely, 2^{55657776107267} is an apocalyptic number.

55657776107267 is a deficient number, since it is larger than the sum of its proper divisors (1).

55657776107267 is an equidigital number, since it uses as much as digits as its factorization.

55657776107267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907578000, while the sum is 71.

The spelling of 55657776107267 in words is "fifty-five trillion, six hundred fifty-seven billion, seven hundred seventy-six million, one hundred seven thousand, two hundred sixty-seven".