55615614143100 has 144 divisors (see below), whose sum is σ = 185869167111936. Its totient is φ = 12689480576000.

The previous prime is 55615614143077. The next prime is 55615614143129. The reversal of 55615614143100 is 134141651655.

It is a happy number.

It is a super-2 number, since 2×55615614143100² (a number of 28 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 47 ways as a sum of consecutive naturals, for example, 495626736 + ... + 495738935.

It is an arithmetic number, because the mean of its divisors is an integer number (1290758104944).

Almost surely, 2^{55615614143100} is an apocalyptic number.

55615614143100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55615614143100 is an abundant number, since it is smaller than the sum of its proper divisors (130253552968836).

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

55615614143100 is a wasteful number, since it uses less digits than its factorization.

55615614143100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991365716 (or 991365709 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

Adding to 55615614143100 its reverse (134141651655), we get a palindrome (55749755794755).

The spelling of 55615614143100 in words is "fifty-five trillion, six hundred fifteen billion, six hundred fourteen million, one hundred forty-three thousand, one hundred".