55312211153 has 2 divisors, whose sum is σ = 55312211154. Its totient is φ = 55312211152.

The previous prime is 55312211137. The next prime is 55312211167. The reversal of 55312211153 is 35111221355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51489509569 + 3822701584 = 226913^2 + 61828^2 .

It is a cyclic number.

It is not a de Polignac number, because 55312211153 - 2⁴ = 55312211137 is a prime.

It is not a weakly prime, because it can be changed into another prime (55312211173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27656105576 + 27656105577.

It is an arithmetic number, because the mean of its divisors is an integer number (27656105577).

Almost surely, 2^55312211153 is an apocalyptic number.

It is an amenable number.

55312211153 is a deficient number, since it is larger than the sum of its proper divisors (1).

55312211153 is an equidigital number, since it uses as much as digits as its factorization.

55312211153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 29.

The spelling of 55312211153 in words is "fifty-five billion, three hundred twelve million, two hundred eleven thousand, one hundred fifty-three".