538379556 has 48 divisors (see below), whose sum is σ = 1475842368. Its totient is φ = 150595200.

The previous prime is 538379551. The next prime is 538379557. The reversal of 538379556 is 655973835.

It is a junction number, because it is equal to n+sod(n) for n = 538379499 and 538379508.

It is not an unprimeable number, because it can be changed into a prime (538379551) 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, 155155 + ... + 158586.

It is an arithmetic number, because the mean of its divisors is an integer number (30746716).

Almost surely, 2^538379556 is an apocalyptic number.

It is an amenable number.

538379556 is an abundant number, since it is smaller than the sum of its proper divisors (937462812).

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

538379556 is a wasteful number, since it uses less digits than its factorization.

538379556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313772 (or 313770 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 51.

The square root of 538379556 is about 23203.0074774802. The cubic root of 538379556 is about 813.5099203753.

The spelling of 538379556 in words is "five hundred thirty-eight million, three hundred seventy-nine thousand, five hundred fifty-six".