55470731105 has 4 divisors (see below), whose sum is σ = 66564877332. Its totient is φ = 44376584880.

The previous prime is 55470731089. The next prime is 55470731123. The reversal of 55470731105 is 50113707455.

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 13008771136 + 42461959969 = 114056^2 + 206063^2 .

It is not a de Polignac number, because 55470731105 - 2⁴ = 55470731089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5547073106 + ... + 5547073115.

It is an arithmetic number, because the mean of its divisors is an integer number (16641219333).

Almost surely, 2^55470731105 is an apocalyptic number.

It is an amenable number.

55470731105 is a deficient number, since it is larger than the sum of its proper divisors (11094146227).

55470731105 is a wasteful number, since it uses less digits than its factorization.

55470731105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11094146226.

The product of its (nonzero) digits is 73500, while the sum is 38.

The spelling of 55470731105 in words is "fifty-five billion, four hundred seventy million, seven hundred thirty-one thousand, one hundred five".