53163355 has 16 divisors (see below), whose sum is σ = 73082880. Its totient is φ = 36368352.

The previous prime is 53163323. The next prime is 53163359. The reversal of 53163355 is 55336135.

53163355 = 56² + 57² + ... + 542².

It is a happy number.

53163355 is nontrivially palindromic in base 13.

It is a cyclic number.

It is not a de Polignac number, because 53163355 - 2⁵ = 53163323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53163359) 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, 15486 + ... + 18604.

It is an arithmetic number, because the mean of its divisors is an integer number (4567680).

Almost surely, 2^53163355 is an apocalyptic number.

53163355 is a deficient number, since it is larger than the sum of its proper divisors (19919525).

53163355 is a wasteful number, since it uses less digits than its factorization.

53163355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618.

The product of its digits is 20250, while the sum is 31.

The square root of 53163355 is about 7291.3205251175. The cubic root of 53163355 is about 376.0140966308.

The spelling of 53163355 in words is "fifty-three million, one hundred sixty-three thousand, three hundred fifty-five".