538253888 has 42 divisors (see below), whose sum is σ = 1127320326. Its totient is φ = 254951424.

The previous prime is 538253887. The next prime is 538253897. The reversal of 538253888 is 888352835.

It can be written as a sum of positive squares in only one way, i.e., 355247104 + 183006784 = 18848^2 + 13528^2 .

It is not an unprimeable number, because it can be changed into a prime (538253887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11456 + ... + 34752.

Almost surely, 2^538253888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538253888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563660163).

538253888 is an abundant number, since it is smaller than the sum of its proper divisors (589066438).

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

538253888 is a wasteful number, since it uses less digits than its factorization.

538253888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23347 (or 23318 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 50.

The square root of 538253888 is about 23200.2993084141. The cubic root of 538253888 is about 813.4466192346.

The spelling of 538253888 in words is "five hundred thirty-eight million, two hundred fifty-three thousand, eight hundred eighty-eight".