538668703550 has 24 divisors (see below), whose sum is σ = 1001944073856. Its totient is φ = 215463119040.

The previous prime is 538668703511. The next prime is 538668703553. The reversal of 538668703550 is 55307866835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538668703553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3707882 + ... + 3850418.

It is an arithmetic number, because the mean of its divisors is an integer number (41747669744).

Almost surely, 2^538668703550 is an apocalyptic number.

538668703550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

538668703550 is a deficient number, since it is larger than the sum of its proper divisors (463275370306).

538668703550 is a wasteful number, since it uses less digits than its factorization.

538668703550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218132 (or 218127 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 538668703550 in words is "five hundred thirty-eight billion, six hundred sixty-eight million, seven hundred three thousand, five hundred fifty".