53290000 has 75 divisors (see below), whose sum is σ = 130812033. Its totient is φ = 21024000.

The previous prime is 53289997. The next prime is 53290021. The reversal of 53290000 is 9235.

The square root of 53290000 is 7300.

It is a perfect power (a square), and thus also a powerful number.

53290000 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 7 ways, for example, as 37797904 + 15492096 = 6148^2 + 3936^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53290000.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 729964 + ... + 730036.

Almost surely, 2^53290000 is an apocalyptic number.

53290000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53290000 is the 7300-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53290000

53290000 is an abundant number, since it is smaller than the sum of its proper divisors (77522033).

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

53290000 is an frugal number, since it uses more digits than its factorization.

53290000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The cubic root of 53290000 is about 376.3124383599.

Adding to 53290000 its reverse (9235), we get a palindrome (53299235).

The spelling of 53290000 in words is "fifty-three million, two hundred ninety thousand".