55777555332211 has 2 divisors, whose sum is σ = 55777555332212. Its totient is φ = 55777555332210.

The previous prime is 55777555332173. The next prime is 55777555332263. The reversal of 55777555332211 is 11223355577755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55777555332211 - 2¹³ = 55777555324019 is a prime.

It is a super-2 number, since 2×55777555332211² (a number of 28 digits) contains 22 as substring.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (55777555372211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27888777666105 + 27888777666106.

It is an arithmetic number, because the mean of its divisors is an integer number (27888777666106).

Almost surely, 2^{55777555332211} is an apocalyptic number.

55777555332211 is a deficient number, since it is larger than the sum of its proper divisors (1).

55777555332211 is an equidigital number, since it uses as much as digits as its factorization.

55777555332211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38587500, while the sum is 58.

The spelling of 55777555332211 in words is "fifty-five trillion, seven hundred seventy-seven billion, five hundred fifty-five million, three hundred thirty-two thousand, two hundred eleven".