55404341223 has 64 divisors (see below), whose sum is σ = 96165273600. Its totient is φ = 27512876160.

The previous prime is 55404341197. The next prime is 55404341243. The reversal of 55404341223 is 32214340455.

It is not a de Polignac number, because 55404341223 - 2⁵ = 55404341191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55404341243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14816088 + ... + 14819826.

It is an arithmetic number, because the mean of its divisors is an integer number (1502582400).

Almost surely, 2^55404341223 is an apocalyptic number.

55404341223 is a deficient number, since it is larger than the sum of its proper divisors (40760932377).

55404341223 is a wasteful number, since it uses less digits than its factorization.

55404341223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6572.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 55404341223 its reverse (32214340455), we get a palindrome (87618681678).

The spelling of 55404341223 in words is "fifty-five billion, four hundred four million, three hundred forty-one thousand, two hundred twenty-three".