530661750 has 64 divisors (see below), whose sum is σ = 1382164992. Its totient is φ = 135352800.

The previous prime is 530661731. The next prime is 530661767. The reversal of 530661750 is 57166035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1869 + ... + 32631.

It is an arithmetic number, because the mean of its divisors is an integer number (21596328).

Almost surely, 2^530661750 is an apocalyptic number.

530661750 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 530661750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691082496).

530661750 is an abundant number, since it is smaller than the sum of its proper divisors (851503242).

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

530661750 is a wasteful number, since it uses less digits than its factorization.

530661750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30806 (or 30796 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 530661750 is about 23036.0966745671. The cubic root of 530661750 is about 809.6039063247.

The spelling of 530661750 in words is "five hundred thirty million, six hundred sixty-one thousand, seven hundred fifty".