55357969065 has 32 divisors (see below), whose sum is σ = 104716558080. Its totient is φ = 24433860864.

The previous prime is 55357969031. The next prime is 55357969081. The reversal of 55357969065 is 56096975355.

It is a happy number.

It is not a de Polignac number, because 55357969065 - 2²³ = 55349580457 is a prime.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 9086934 + ... + 9093023.

It is an arithmetic number, because the mean of its divisors is an integer number (3272392440).

Almost surely, 2^55357969065 is an apocalyptic number.

It is an amenable number.

55357969065 is a deficient number, since it is larger than the sum of its proper divisors (49358589015).

55357969065 is a wasteful number, since it uses less digits than its factorization.

55357969065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18180001.

The product of its (nonzero) digits is 38272500, while the sum is 60.

The spelling of 55357969065 in words is "fifty-five billion, three hundred fifty-seven million, nine hundred sixty-nine thousand, sixty-five".