55576090069 has 16 divisors (see below), whose sum is σ = 59191326720. Its totient is φ = 52100455680.

The previous prime is 55576089983. The next prime is 55576090081. The reversal of 55576090069 is 96009067555.

It is a cyclic number.

It is not a de Polignac number, because 55576090069 - 2¹³ = 55576081877 is a prime.

It is a super-4 number, since 4×55576090069⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55576089998 and 55576090025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55576090099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84292 + ... + 343885.

It is an arithmetic number, because the mean of its divisors is an integer number (3699457920).

Almost surely, 2^55576090069 is an apocalyptic number.

It is an amenable number.

55576090069 is a deficient number, since it is larger than the sum of its proper divisors (3615236651).

55576090069 is a wasteful number, since it uses less digits than its factorization.

55576090069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428340.

The product of its (nonzero) digits is 2551500, while the sum is 52.

The spelling of 55576090069 in words is "fifty-five billion, five hundred seventy-six million, ninety thousand, sixty-nine".