55065026343561 has 16 divisors (see below), whose sum is σ = 79079953055040. Its totient is φ = 33880931663040.

The previous prime is 55065026343539. The next prime is 55065026343571. The reversal of 55065026343561 is 16534362056055.

It is not a de Polignac number, because 55065026343561 - 2⁶ = 55065026343497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55065026343511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108877695 + ... + 109382276.

It is an arithmetic number, because the mean of its divisors is an integer number (4942497065940).

Almost surely, 2^{55065026343561} is an apocalyptic number.

It is an amenable number.

55065026343561 is a deficient number, since it is larger than the sum of its proper divisors (24014926711479).

55065026343561 is a wasteful number, since it uses less digits than its factorization.

55065026343561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218266456.

The product of its (nonzero) digits is 9720000, while the sum is 51.

The spelling of 55065026343561 in words is "fifty-five trillion, sixty-five billion, twenty-six million, three hundred forty-three thousand, five hundred sixty-one".