55465289569 has 4 divisors (see below), whose sum is σ = 55571749380. Its totient is φ = 55358829760.

The previous prime is 55465289563. The next prime is 55465289591. The reversal of 55465289569 is 96598256455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96598256455 = 5 ⋅19319651291.

It can be written as a sum of positive squares in 2 ways, for example, as 24122127969 + 31343161600 = 155313^2 + 177040^2 .

It is a cyclic number.

It is not a de Polignac number, because 55465289569 - 2¹⁵ = 55465256801 is a prime.

It is a super-3 number, since 3×55465289569³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55465289569.

It is not an unprimeable number, because it can be changed into a prime (55465289563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53229124 + ... + 53230165.

It is an arithmetic number, because the mean of its divisors is an integer number (13892937345).

Almost surely, 2^55465289569 is an apocalyptic number.

It is an amenable number.

55465289569 is a deficient number, since it is larger than the sum of its proper divisors (106459811).

55465289569 is a wasteful number, since it uses less digits than its factorization.

55465289569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106459810.

The product of its digits is 116640000, while the sum is 64.

The spelling of 55465289569 in words is "fifty-five billion, four hundred sixty-five million, two hundred eighty-nine thousand, five hundred sixty-nine".