55381026817932 has 48 divisors (see below), whose sum is σ = 129838446834432. Its totient is φ = 18372339881280.

The previous prime is 55381026817931. The next prime is 55381026817939. The reversal of 55381026817932 is 23971862018355.

It is not an unprimeable number, because it can be changed into a prime (55381026817931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96530073 + ... + 97102095.

It is an arithmetic number, because the mean of its divisors is an integer number (2704967642384).

Almost surely, 2^{55381026817932} is an apocalyptic number.

It is an amenable number.

55381026817932 is an abundant number, since it is smaller than the sum of its proper divisors (74457420016500).

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

55381026817932 is a wasteful number, since it uses less digits than its factorization.

55381026817932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610478 (or 610476 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 55381026817932 in words is "fifty-five trillion, three hundred eighty-one billion, twenty-six million, eight hundred seventeen thousand, nine hundred thirty-two".