53530002 has 12 divisors (see below), whose sum is σ = 115981710. Its totient is φ = 17843328.

The previous prime is 53529989. The next prime is 53530007. The reversal of 53530002 is 20003535.

It can be written as a sum of positive squares in only one way, i.e., 47073321 + 6456681 = 6861^2 + 2541^2 .

It is a super-2 number, since 2×53530002² = 5730922228240008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2973889 = 53530002 / (5 + 3 + 5 + 3 + 0 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (53530007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1486927 + ... + 1486962.

Almost surely, 2^53530002 is an apocalyptic number.

53530002 is an abundant number, since it is smaller than the sum of its proper divisors (62451708).

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

53530002 is a wasteful number, since it uses less digits than its factorization.

53530002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973897 (or 2973894 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 53530002 is about 7316.4200262150. The cubic root of 53530002 is about 376.8765247498.

Adding to 53530002 its reverse (20003535), we get a palindrome (73533537).

The spelling of 53530002 in words is "fifty-three million, five hundred thirty thousand, two".