55505004992367 has 64 divisors (see below), whose sum is σ = 86976159989760. Its totient is φ = 30830643792000.

The previous prime is 55505004992347. The next prime is 55505004992443. The reversal of 55505004992367 is 76329940050555.

It is a happy number.

It is not a de Polignac number, because 55505004992367 - 2⁶ = 55505004992303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55505004992367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505004992317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53476492 + ... + 54504542.

It is an arithmetic number, because the mean of its divisors is an integer number (1359002499840).

Almost surely, 2^{55505004992367} is an apocalyptic number.

55505004992367 is a deficient number, since it is larger than the sum of its proper divisors (31471154997393).

55505004992367 is a wasteful number, since it uses less digits than its factorization.

55505004992367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028564.

The product of its (nonzero) digits is 51030000, while the sum is 60.

The spelling of 55505004992367 in words is "fifty-five trillion, five hundred five billion, four million, nine hundred ninety-two thousand, three hundred sixty-seven".