53263330 has 16 divisors (see below), whose sum is σ = 96103224. Its totient is φ = 21254400.

The previous prime is 53263319. The next prime is 53263337. The reversal of 53263330 is 3336235.

It can be written as a sum of positive squares in 4 ways, for example, as 27952369 + 25310961 = 5287^2 + 5031^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53263295 and 53263304.

It is not an unprimeable number, because it can be changed into a prime (53263337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821 + ... + 10480.

Almost surely, 2^53263330 is an apocalyptic number.

53263330 is a deficient number, since it is larger than the sum of its proper divisors (42839894).

53263330 is a wasteful number, since it uses less digits than its factorization.

53263330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12741.

The product of its (nonzero) digits is 4860, while the sum is 25.

The square root of 53263330 is about 7298.1730590607. The cubic root of 53263330 is about 376.2496502979.

Adding to 53263330 its reverse (3336235), we get a palindrome (56599565).

The spelling of 53263330 in words is "fifty-three million, two hundred sixty-three thousand, three hundred thirty".