5505381971540 has 24 divisors (see below), whose sum is σ = 12612329608032. Its totient is φ = 2001957080480.

The previous prime is 5505381971527. The next prime is 5505381971623. The reversal of 5505381971540 is 451791835055.

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, 12512231534 + ... + 12512231973.

It is an arithmetic number, because the mean of its divisors is an integer number (525513733668).

Almost surely, 2^{5505381971540} is an apocalyptic number.

It is an amenable number.

5505381971540 is an abundant number, since it is smaller than the sum of its proper divisors (7106947636492).

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

5505381971540 is a wasteful number, since it uses less digits than its factorization.

5505381971540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25024463527 (or 25024463525 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 53.

The spelling of 5505381971540 in words is "five trillion, five hundred five billion, three hundred eighty-one million, nine hundred seventy-one thousand, five hundred forty".