55727010019 has 2 divisors, whose sum is σ = 55727010020. Its totient is φ = 55727010018.

The previous prime is 55727009983. The next prime is 55727010023. The reversal of 55727010019 is 91001072755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55727010019 - 2¹¹ = 55727007971 is a prime.

It is a super-2 number, since 2×55727010019² (a number of 22 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 55727010019.

It is not a weakly prime, because it can be changed into another prime (55727010919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27863505009 + 27863505010.

It is an arithmetic number, because the mean of its divisors is an integer number (27863505010).

Almost surely, 2^55727010019 is an apocalyptic number.

55727010019 is a deficient number, since it is larger than the sum of its proper divisors (1).

55727010019 is an equidigital number, since it uses as much as digits as its factorization.

55727010019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 37.

The spelling of 55727010019 in words is "fifty-five billion, seven hundred twenty-seven million, ten thousand, nineteen".