55622065565 has 16 divisors (see below), whose sum is σ = 76646675520. Its totient is φ = 38323336320.

The previous prime is 55622065547. The next prime is 55622065619. The reversal of 55622065565 is 56556022655.

It is not a de Polignac number, because 55622065565 - 2³² = 51327098269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26612384 + ... + 26614473.

It is an arithmetic number, because the mean of its divisors is an integer number (4790417220).

Almost surely, 2^55622065565 is an apocalyptic number.

55622065565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55622065565 is a deficient number, since it is larger than the sum of its proper divisors (21024609955).

55622065565 is a wasteful number, since it uses less digits than its factorization.

55622065565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53226892.

The product of its (nonzero) digits is 2700000, while the sum is 47.

The spelling of 55622065565 in words is "fifty-five billion, six hundred twenty-two million, sixty-five thousand, five hundred sixty-five".