53322165 has 64 divisors (see below), whose sum is σ = 106606080. Its totient is φ = 25090560.

The previous prime is 53322163. The next prime is 53322169. The reversal of 53322165 is 56122335.

It is not a de Polignac number, because 53322165 - 2¹ = 53322163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53322163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39705 + ... + 41025.

It is an arithmetic number, because the mean of its divisors is an integer number (1665720).

Almost surely, 2^53322165 is an apocalyptic number.

It is an amenable number.

53322165 is a deficient number, since it is larger than the sum of its proper divisors (53283915).

53322165 is a wasteful number, since it uses less digits than its factorization.

53322165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 1365 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 53322165 is about 7302.2027498557. The cubic root of 53322165 is about 376.3881352081.

The spelling of 53322165 in words is "fifty-three million, three hundred twenty-two thousand, one hundred sixty-five".