55050555481 has 4 divisors (see below), whose sum is σ = 55051649764. Its totient is φ = 55049461200.

The previous prime is 55050555433. The next prime is 55050555491. The reversal of 55050555481 is 18455505055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45802848256 + 9247707225 = 214016^2 + 96165^2 .

It is a cyclic number.

It is not a de Polignac number, because 55050555481 - 2⁷ = 55050555353 is a prime.

It is a super-2 number, since 2×55050555481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55050555491) 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, 467850 + ... + 573571.

It is an arithmetic number, because the mean of its divisors is an integer number (13762912441).

Almost surely, 2^55050555481 is an apocalyptic number.

It is an amenable number.

55050555481 is a deficient number, since it is larger than the sum of its proper divisors (1094283).

55050555481 is a wasteful number, since it uses less digits than its factorization.

55050555481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094282.

The product of its (nonzero) digits is 500000, while the sum is 43.

The spelling of 55050555481 in words is "fifty-five billion, fifty million, five hundred fifty-five thousand, four hundred eighty-one".