530513550 has 120 divisors (see below), whose sum is σ = 1684709136. Its totient is φ = 121253760.

The previous prime is 530513527. The next prime is 530513563. The reversal of 530513550 is 55315035.

530513550 is a `hidden beast` number, since 5 + 305 + 1 + 355 + 0 = 666.

530513550 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 18994 + ... + 37706.

Almost surely, 2^530513550 is an apocalyptic number.

530513550 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 530513550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842354568).

530513550 is an abundant number, since it is smaller than the sum of its proper divisors (1154195586).

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

530513550 is a wasteful number, since it uses less digits than its factorization.

530513550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18744 (or 18730 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 530513550 is about 23032.8797591617. The cubic root of 530513550 is about 809.5285322155.

Adding to 530513550 its reverse (55315035), we get a palindrome (585828585).

The spelling of 530513550 in words is "five hundred thirty million, five hundred thirteen thousand, five hundred fifty".