55540022310 has 48 divisors (see below), whose sum is σ = 144432432144. Its totient is φ = 14807762496.

The previous prime is 55540022257. The next prime is 55540022327. The reversal of 55540022310 is 1322004555.

It is a happy number.

It is a super-2 number, since 2×55540022310² (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 23 ways as a sum of consecutive naturals, for example, 421104 + ... + 537036.

It is an arithmetic number, because the mean of its divisors is an integer number (3009009003).

Almost surely, 2^55540022310 is an apocalyptic number.

55540022310 is an abundant number, since it is smaller than the sum of its proper divisors (88892409834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55540022310 is a wasteful number, since it uses less digits than its factorization.

55540022310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121269 (or 121266 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 55540022310 its reverse (1322004555), we get a palindrome (56862026865).

The spelling of 55540022310 in words is "fifty-five billion, five hundred forty million, twenty-two thousand, three hundred ten".