538565950 has 144 divisors (see below), whose sum is σ = 1189548864. Its totient is φ = 180172800.

The previous prime is 538565939. The next prime is 538565959. The reversal of 538565950 is 59565835.

538565950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 538565950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538565959) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8828920 + ... + 8828980.

It is an arithmetic number, because the mean of its divisors is an integer number (8260756).

Almost surely, 2^538565950 is an apocalyptic number.

538565950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

538565950 is an abundant number, since it is smaller than the sum of its proper divisors (650982914).

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

538565950 is a wasteful number, since it uses less digits than its factorization.

538565950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The square root of 538565950 is about 23207.0237212789. The cubic root of 538565950 is about 813.6037921123.

The spelling of 538565950 in words is "five hundred thirty-eight million, five hundred sixty-five thousand, nine hundred fifty".