530421550 has 12 divisors (see below), whose sum is σ = 986584176. Its totient is φ = 212168600.

The previous prime is 530421533. The next prime is 530421569. The reversal of 530421550 is 55124035.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5304166 + ... + 5304265.

It is an arithmetic number, because the mean of its divisors is an integer number (82215348).

Almost surely, 2^530421550 is an apocalyptic number.

530421550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

530421550 is a deficient number, since it is larger than the sum of its proper divisors (456162626).

530421550 is a wasteful number, since it uses less digits than its factorization.

530421550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10608443 (or 10608438 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 530421550 is about 23030.8825275976. The cubic root of 530421550 is about 809.4817342085.

Adding to 530421550 its reverse (55124035), we get a palindrome (585545585).

The spelling of 530421550 in words is "five hundred thirty million, four hundred twenty-one thousand, five hundred fifty".