55604020565465 has 16 divisors (see below), whose sum is σ = 70713064096272. Its totient is φ = 41829075339264.

The previous prime is 55604020565461. The next prime is 55604020565501. The reversal of 55604020565465 is 56456502040655.

55604020565465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 10249237282249 + 45354783283216 = 3201443^2 + 6734596^2 .

It is a cyclic number.

It is not a de Polignac number, because 55604020565465 - 2² = 55604020565461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55604020565461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292727324 + ... + 292917213.

It is an arithmetic number, because the mean of its divisors is an integer number (4419566506017).

Almost surely, 2^{55604020565465} is an apocalyptic number.

It is an amenable number.

55604020565465 is a deficient number, since it is larger than the sum of its proper divisors (15109043530807).

55604020565465 is a wasteful number, since it uses less digits than its factorization.

55604020565465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585645676.

The product of its (nonzero) digits is 21600000, while the sum is 53.

The spelling of 55604020565465 in words is "fifty-five trillion, six hundred four billion, twenty million, five hundred sixty-five thousand, four hundred sixty-five".