55023132205447 has 16 divisors (see below), whose sum is σ = 67218078799872. Its totient is φ = 44011837298880.

The previous prime is 55023132205423. The next prime is 55023132205451. The reversal of 55023132205447 is 74450223132055.

It is a cyclic number.

It is not a de Polignac number, because 55023132205447 - 2²⁷ = 55022997987719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55023132205477) 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, 4167781023 + ... + 4167794224.

It is an arithmetic number, because the mean of its divisors is an integer number (4201129924992).

Almost surely, 2^{55023132205447} is an apocalyptic number.

55023132205447 is a deficient number, since it is larger than the sum of its proper divisors (12194946594425).

55023132205447 is a wasteful number, since it uses less digits than its factorization.

55023132205447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335575318.

The product of its (nonzero) digits is 1008000, while the sum is 43.

The spelling of 55023132205447 in words is "fifty-five trillion, twenty-three billion, one hundred thirty-two million, two hundred five thousand, four hundred forty-seven".