55852311325855 has 16 divisors (see below), whose sum is σ = 73173008975904. Its totient is φ = 40588053911680.

The previous prime is 55852311325843. The next prime is 55852311325859.

55852311325855 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-55852311325855 is a prime.

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 55852311325855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55852311325859) 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, 397540012 + ... + 397680481.

It is an arithmetic number, because the mean of its divisors is an integer number (4573313060994).

Almost surely, 2^{55852311325855} is an apocalyptic number.

55852311325855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55852311325855 is a deficient number, since it is larger than the sum of its proper divisors (17320697650049).

55852311325855 is a wasteful number, since it uses less digits than its factorization.

55852311325855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795221786.

The product of its digits is 36000000, while the sum is 58.

The spelling of 55852311325855 in words is "fifty-five trillion, eight hundred fifty-two billion, three hundred eleven million, three hundred twenty-five thousand, eight hundred fifty-five".