55315133223 has 64 divisors (see below), whose sum is σ = 88615296000. Its totient is φ = 30024207360.

The previous prime is 55315133213. The next prime is 55315133233. The reversal of 55315133223 is 32233151355.

55315133223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55315133213) and next prime (55315133233).

It is not a de Polignac number, because 55315133223 - 2²¹ = 55313036071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55315133213) 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, 20493328 + ... + 20496026.

It is an arithmetic number, because the mean of its divisors is an integer number (1384614000).

Almost surely, 2^55315133223 is an apocalyptic number.

55315133223 is a deficient number, since it is larger than the sum of its proper divisors (33300162777).

55315133223 is a wasteful number, since it uses less digits than its factorization.

55315133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272.

The product of its digits is 40500, while the sum is 33.

Adding to 55315133223 its reverse (32233151355), we get a palindrome (87548284578).

It can be divided in two parts, 553151332 and 23, that added together give a palindrome (553151355).

The spelling of 55315133223 in words is "fifty-five billion, three hundred fifteen million, one hundred thirty-three thousand, two hundred twenty-three".