55927436219 has 2 divisors, whose sum is σ = 55927436220. Its totient is φ = 55927436218.

The previous prime is 55927436183. The next prime is 55927436233. The reversal of 55927436219 is 91263472955.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55927436219 - 2¹² = 55927432123 is a prime.

It is a super-2 number, since 2×55927436219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55927430219) 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, 27963718109 + 27963718110.

It is an arithmetic number, because the mean of its divisors is an integer number (27963718110).

Almost surely, 2^55927436219 is an apocalyptic number.

55927436219 is a deficient number, since it is larger than the sum of its proper divisors (1).

55927436219 is an equidigital number, since it uses as much as digits as its factorization.

55927436219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 53.

The spelling of 55927436219 in words is "fifty-five billion, nine hundred twenty-seven million, four hundred thirty-six thousand, two hundred nineteen".