538021450 has 24 divisors (see below), whose sum is σ = 1001414700. Its totient is φ = 215059200.

The previous prime is 538021447. The next prime is 538021459. The reversal of 538021450 is 54120835.

It can be written as a sum of positive squares in 6 ways, for example, as 220433409 + 317588041 = 14847^2 + 17821^2 .

It is not an unprimeable number, because it can be changed into a prime (538021459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94690 + ... + 100210.

Almost surely, 2^538021450 is an apocalyptic number.

538021450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

538021450 is a deficient number, since it is larger than the sum of its proper divisors (463393250).

538021450 is a wasteful number, since it uses less digits than its factorization.

538021450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7482 (or 7477 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 538021450 is about 23195.2893924607. The cubic root of 538021450 is about 813.3295102317.

The spelling of 538021450 in words is "five hundred thirty-eight million, twenty-one thousand, four hundred fifty".