55159338739619 has 2 divisors, whose sum is σ = 55159338739620. Its totient is φ = 55159338739618.

The previous prime is 55159338739613. The next prime is 55159338739669. The reversal of 55159338739619 is 91693783395155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55159338739619 - 2⁸ = 55159338739363 is a prime.

It is a super-2 number, since 2×55159338739619² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55159338739613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27579669369809 + 27579669369810.

It is an arithmetic number, because the mean of its divisors is an integer number (27579669369810).

Almost surely, 2^{55159338739619} is an apocalyptic number.

55159338739619 is a deficient number, since it is larger than the sum of its proper divisors (1).

55159338739619 is an equidigital number, since it uses as much as digits as its factorization.

55159338739619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 826686000, while the sum is 74.

The spelling of 55159338739619 in words is "fifty-five trillion, one hundred fifty-nine billion, three hundred thirty-eight million, seven hundred thirty-nine thousand, six hundred nineteen".