55320055310 has 32 divisors (see below), whose sum is σ = 110134073952. Its totient is φ = 19873814400.

The previous prime is 55320055279. The next prime is 55320055361. The reversal of 55320055310 is 1355002355.

It is a super-2 number, since 2×55320055310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5745716 + ... + 5755335.

It is an arithmetic number, because the mean of its divisors is an integer number (3441689811).

Almost surely, 2^55320055310 is an apocalyptic number.

55320055310 is a deficient number, since it is larger than the sum of its proper divisors (54814018642).

55320055310 is a wasteful number, since it uses less digits than its factorization.

55320055310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11501108.

The product of its (nonzero) digits is 11250, while the sum is 29.

Adding to 55320055310 its reverse (1355002355), we get a palindrome (56675057665).

The spelling of 55320055310 in words is "fifty-five billion, three hundred twenty million, fifty-five thousand, three hundred ten".