55050520572065 has 8 divisors (see below), whose sum is σ = 66095157172968. Its totient is φ = 44017394800000.

The previous prime is 55050520572049. The next prime is 55050520572101. The reversal of 55050520572065 is 56027502505055.

It can be written as a sum of positive squares in 4 ways, for example, as 2327702513761 + 52722818058304 = 1525681^2 + 7261048^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55050520572065 - 2⁴ = 55050520572049 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 2877696686 + ... + 2877715815.

It is an arithmetic number, because the mean of its divisors is an integer number (8261894646621).

Almost surely, 2^{55050520572065} is an apocalyptic number.

It is an amenable number.

55050520572065 is a deficient number, since it is larger than the sum of its proper divisors (11044636600903).

55050520572065 is a wasteful number, since it uses less digits than its factorization.

55050520572065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755414419.

The product of its (nonzero) digits is 2625000, while the sum is 47.

The spelling of 55050520572065 in words is "fifty-five trillion, fifty billion, five hundred twenty million, five hundred seventy-two thousand, sixty-five".