55134320445 has 12 divisors (see below), whose sum is σ = 95566155516. Its totient is φ = 29404970880.

The previous prime is 55134320411. The next prime is 55134320447. The reversal of 55134320445 is 54402343155.

55134320445 is a `hidden beast` number, since 55 + 134 + 32 + 0 + 445 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26121670884 + 29012649561 = 161622^2 + 170331^2 .

It is not a de Polignac number, because 55134320445 - 2¹⁴ = 55134304061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55134320447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612603516 + ... + 612603605.

It is an arithmetic number, because the mean of its divisors is an integer number (7963846293).

Almost surely, 2^55134320445 is an apocalyptic number.

It is an amenable number.

55134320445 is a deficient number, since it is larger than the sum of its proper divisors (40431835071).

55134320445 is a wasteful number, since it uses less digits than its factorization.

55134320445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225207132 (or 1225207129 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 55134320445 in words is "fifty-five billion, one hundred thirty-four million, three hundred twenty thousand, four hundred forty-five".