538315556 has 12 divisors (see below), whose sum is σ = 942775680. Its totient is φ = 268951080.

The previous prime is 538315517. The next prime is 538315571. The reversal of 538315556 is 655513835.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45740 + ... + 56291.

It is an arithmetic number, because the mean of its divisors is an integer number (78564640).

Almost surely, 2^538315556 is an apocalyptic number.

It is an amenable number.

538315556 is a deficient number, since it is larger than the sum of its proper divisors (404460124).

538315556 is a wasteful number, since it uses less digits than its factorization.

538315556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103354 (or 103352 counting only the distinct ones).

The product of its digits is 270000, while the sum is 41.

The square root of 538315556 is about 23201.6283049272. The cubic root of 538315556 is about 813.4776837017.

The spelling of 538315556 in words is "five hundred thirty-eight million, three hundred fifteen thousand, five hundred fifty-six".