55615584573139 has 2 divisors, whose sum is σ = 55615584573140. Its totient is φ = 55615584573138.

The previous prime is 55615584573137. The next prime is 55615584573161. The reversal of 55615584573139 is 93137548551655.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55615584573139 - 2¹ = 55615584573137 is a prime.

Together with 55615584573137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55615584573137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27807792286569 + 27807792286570.

It is an arithmetic number, because the mean of its divisors is an integer number (27807792286570).

Almost surely, 2^{55615584573139} is an apocalyptic number.

55615584573139 is a deficient number, since it is larger than the sum of its proper divisors (1).

55615584573139 is an equidigital number, since it uses as much as digits as its factorization.

55615584573139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200000, while the sum is 67.

The spelling of 55615584573139 in words is "fifty-five trillion, six hundred fifteen billion, five hundred eighty-four million, five hundred seventy-three thousand, one hundred thirty-nine".