55520223411 has 16 divisors (see below), whose sum is σ = 77566072320. Its totient is φ = 35257284480.

The previous prime is 55520223391. The next prime is 55520223433. The reversal of 55520223411 is 11432202555.

55520223411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55520223411 - 2⁵ = 55520223379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55520228411) 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, 1652751 + ... + 1686008.

It is an arithmetic number, because the mean of its divisors is an integer number (4847879520).

Almost surely, 2^55520223411 is an apocalyptic number.

55520223411 is a deficient number, since it is larger than the sum of its proper divisors (22045848909).

55520223411 is a wasteful number, since it uses less digits than its factorization.

55520223411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339026.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 55520223411 its reverse (11432202555), we get a palindrome (66952425966).

The spelling of 55520223411 in words is "fifty-five billion, five hundred twenty million, two hundred twenty-three thousand, four hundred eleven".