55064843017331 has 4 divisors (see below), whose sum is σ = 62931249162672. Its totient is φ = 47198436871992.

The previous prime is 55064843017319. The next prime is 55064843017369. The reversal of 55064843017331 is 13371034846055.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55064843017331 - 2¹⁸ = 55064842755187 is a prime.

It is a super-2 number, since 2×55064843017331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55064843017331.

It is not an unprimeable number, because it can be changed into a prime (55064843017381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3933203072660 + ... + 3933203072673.

It is an arithmetic number, because the mean of its divisors is an integer number (15732812290668).

Almost surely, 2^{55064843017331} is an apocalyptic number.

55064843017331 is a deficient number, since it is larger than the sum of its proper divisors (7866406145341).

55064843017331 is an equidigital number, since it uses as much as digits as its factorization.

55064843017331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7866406145340.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 55064843017331 in words is "fifty-five trillion, sixty-four billion, eight hundred forty-three million, seventeen thousand, three hundred thirty-one".