55142235570128 has 40 divisors (see below), whose sum is σ = 122103074575680. Its totient is φ = 23631920202240.

The previous prime is 55142235570083. The next prime is 55142235570151. The reversal of 55142235570128 is 82107553224155.

It is a super-3 number, since 3×55142235570128³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870443 + ... + 10537653.

It is an arithmetic number, because the mean of its divisors is an integer number (3052576864392).

Almost surely, 2^{55142235570128} is an apocalyptic number.

It is an amenable number.

55142235570128 is an abundant number, since it is smaller than the sum of its proper divisors (66960839005552).

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

55142235570128 is a wasteful number, since it uses less digits than its factorization.

55142235570128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9718155 (or 9718149 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 50.

The spelling of 55142235570128 in words is "fifty-five trillion, one hundred forty-two billion, two hundred thirty-five million, five hundred seventy thousand, one hundred twenty-eight".