53222155 has 16 divisors (see below), whose sum is σ = 77284800. Its totient is φ = 34348032.

The previous prime is 53222131. The next prime is 53222159. The reversal of 53222155 is 55122235.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53222155 - 2⁷ = 53222027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53222159) 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, 44130 + ... + 45319.

It is an arithmetic number, because the mean of its divisors is an integer number (4830300).

Almost surely, 2^53222155 is an apocalyptic number.

53222155 is a deficient number, since it is larger than the sum of its proper divisors (24062645).

53222155 is a wasteful number, since it uses less digits than its factorization.

53222155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89478.

The product of its digits is 3000, while the sum is 25.

The square root of 53222155 is about 7295.3516022190. The cubic root of 53222155 is about 376.1526725517.

The spelling of 53222155 in words is "fifty-three million, two hundred twenty-two thousand, one hundred fifty-five".