538551000 has 192 divisors, whose sum is σ = 1960751520. Its totient is φ = 132537600.

The previous prime is 538550959. The next prime is 538551011. The reversal of 538551000 is 155835.

It is a super-3 number, since 3×538551000³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114699 + ... + 119301.

Almost surely, 2^538551000 is an apocalyptic number.

538551000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538551000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980375760).

538551000 is an abundant number, since it is smaller than the sum of its proper divisors (1422200520).

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

538551000 is a wasteful number, since it uses less digits than its factorization.

538551000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643 (or 4626 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 538551000 is about 23206.7016182826. The cubic root of 538551000 is about 813.5962637931.

The spelling of 538551000 in words is "five hundred thirty-eight million, five hundred fifty-one thousand".