538105650 has 96 divisors (see below), whose sum is σ = 1411368000. Its totient is φ = 135302400.

The previous prime is 538105649. The next prime is 538105651. The reversal of 538105650 is 56501835.

It is an interprime number because it is at equal distance from previous prime (538105649) and next prime (538105651).

It is not an unprimeable number, because it can be changed into a prime (538105651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 994380 + ... + 994920.

It is an arithmetic number, because the mean of its divisors is an integer number (14701750).

Almost surely, 2^538105650 is an apocalyptic number.

538105650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 538105650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705684000).

538105650 is an abundant number, since it is smaller than the sum of its proper divisors (873262350).

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

538105650 is a wasteful number, since it uses less digits than its factorization.

538105650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 538105650 is about 23197.1043451548. The cubic root of 538105650 is about 813.3719365281.

The spelling of 538105650 in words is "five hundred thirty-eight million, one hundred five thousand, six hundred fifty".