55021351105 has 16 divisors (see below), whose sum is σ = 79896551040. Its totient is φ = 35509577472.

The previous prime is 55021351103. The next prime is 55021351117. The reversal of 55021351105 is 50115312055.

It is a cyclic number.

It is not a de Polignac number, because 55021351105 - 2¹ = 55021351103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55021351103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46235835 + ... + 46237024.

It is an arithmetic number, because the mean of its divisors is an integer number (4993534440).

Almost surely, 2^55021351105 is an apocalyptic number.

It is an amenable number.

55021351105 is a deficient number, since it is larger than the sum of its proper divisors (24875199935).

55021351105 is a wasteful number, since it uses less digits than its factorization.

55021351105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92472888.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 55021351105 in words is "fifty-five billion, twenty-one million, three hundred fifty-one thousand, one hundred five".