55345343013 has 16 divisors (see below), whose sum is σ = 82345011840. Its totient is φ = 36738535392.

The previous prime is 55345342973. The next prime is 55345343017. The reversal of 55345343013 is 31034354355.

55345343013 is a `hidden beast` number, since 5 + 5 + 345 + 3 + 4 + 301 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-55345343013 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 (55345343017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4392481 + ... + 4405062.

It is an arithmetic number, because the mean of its divisors is an integer number (5146563240).

Almost surely, 2^55345343013 is an apocalyptic number.

It is an amenable number.

55345343013 is a deficient number, since it is larger than the sum of its proper divisors (26999668827).

55345343013 is a wasteful number, since it uses less digits than its factorization.

55345343013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8797785 (or 8797779 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 55345343013 its reverse (31034354355), we get a palindrome (86379697368).

The spelling of 55345343013 in words is "fifty-five billion, three hundred forty-five million, three hundred forty-three thousand, thirteen".