55516622323110 has 256 divisors, whose sum is σ = 153403446067200. Its totient is φ = 12744178343424.

The previous prime is 55516622323067. The next prime is 55516622323121. The reversal of 55516622323110 is 1132322661555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 718353451 + ... + 718430729.

It is an arithmetic number, because the mean of its divisors is an integer number (599232211200).

Almost surely, 2^{55516622323110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55516622323110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76701723033600).

55516622323110 is an abundant number, since it is smaller than the sum of its proper divisors (97886823744090).

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

55516622323110 is a wasteful number, since it uses less digits than its factorization.

55516622323110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78835.

The product of its (nonzero) digits is 324000, while the sum is 42.

Adding to 55516622323110 its reverse (1132322661555), we get a palindrome (56648944984665).

The spelling of 55516622323110 in words is "fifty-five trillion, five hundred sixteen billion, six hundred twenty-two million, three hundred twenty-three thousand, one hundred ten".