538888355550 has 72 divisors (see below), whose sum is σ = 1486943519256. Its totient is φ = 139819677120.

The previous prime is 538888355549. The next prime is 538888355611. The reversal of 538888355550 is 55553888835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16166184 + ... + 16199483.

It is an arithmetic number, because the mean of its divisors is an integer number (20651993323).

Almost surely, 2^538888355550 is an apocalyptic number.

538888355550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

538888355550 is an abundant number, since it is smaller than the sum of its proper divisors (948055163706).

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

538888355550 is a wasteful number, since it uses less digits than its factorization.

538888355550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32365722 (or 32365714 counting only the distinct ones).

The product of its (nonzero) digits is 115200000, while the sum is 63.

The spelling of 538888355550 in words is "five hundred thirty-eight billion, eight hundred eighty-eight million, three hundred fifty-five thousand, five hundred fifty".