53350330 has 32 divisors (see below), whose sum is σ = 106748928. Its totient is φ = 19032000.

The previous prime is 53350279. The next prime is 53350331. The reversal of 53350330 is 3305335.

It is a happy number.

It is a super-2 number, since 2×53350330² = 5692515422217800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (53350331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255 + ... + 10405.

It is an arithmetic number, because the mean of its divisors is an integer number (3335904).

Almost surely, 2^53350330 is an apocalyptic number.

53350330 is an abundant number, since it is smaller than the sum of its proper divisors (53398598).

53350330 is a wasteful number, since it uses less digits than its factorization.

53350330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9222.

The product of its (nonzero) digits is 2025, while the sum is 22.

The square root of 53350330 is about 7304.1310229212. The cubic root of 53350330 is about 376.4543934947.

Adding to 53350330 its reverse (3305335), we get a palindrome (56655665).

The spelling of 53350330 in words is "fifty-three million, three hundred fifty thousand, three hundred thirty".