530055840 has 192 divisors, whose sum is σ = 1740638592. Its totient is φ = 135475200.

The previous prime is 530055833. The next prime is 530055859. The reversal of 530055840 is 48550035.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 530055798 and 530055807.

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 31 ways as a sum of consecutive naturals, for example, 1258830 + ... + 1259250.

It is an arithmetic number, because the mean of its divisors is an integer number (9065826).

Almost surely, 2^530055840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530055840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870319296).

530055840 is an abundant number, since it is smaller than the sum of its proper divisors (1210582752).

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

530055840 is a wasteful number, since it uses less digits than its factorization.

530055840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 530055840 is about 23022.9416018023. The cubic root of 530055840 is about 809.2956535166.

The spelling of 530055840 in words is "five hundred thirty million, fifty-five thousand, eight hundred forty".