55311569558783 has 8 divisors (see below), whose sum is σ = 57253396712880. Its totient is φ = 53372044514880.

The previous prime is 55311569558759. The next prime is 55311569558789. The reversal of 55311569558783 is 38785596511355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55311569558783 - 2⁸ = 55311569558527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55311569558789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575478653 + ... + 575574758.

It is an arithmetic number, because the mean of its divisors is an integer number (7156674589110).

Almost surely, 2^{55311569558783} is an apocalyptic number.

55311569558783 is a deficient number, since it is larger than the sum of its proper divisors (1941827154097).

55311569558783 is a wasteful number, since it uses less digits than its factorization.

55311569558783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151055097.

The product of its digits is 680400000, while the sum is 71.

The spelling of 55311569558783 in words is "fifty-five trillion, three hundred eleven billion, five hundred sixty-nine million, five hundred fifty-eight thousand, seven hundred eighty-three".