53155165 has 16 divisors (see below), whose sum is σ = 74136960. Its totient is φ = 35830080.

The previous prime is 53155163. The next prime is 53155177. The reversal of 53155165 is 56155135.

It is not a de Polignac number, because 53155165 - 2¹ = 53155163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53155163) 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, 10806 + ... + 14935.

It is an arithmetic number, because the mean of its divisors is an integer number (4633560).

Almost surely, 2^53155165 is an apocalyptic number.

It is an amenable number.

53155165 is a deficient number, since it is larger than the sum of its proper divisors (20981795).

53155165 is a wasteful number, since it uses less digits than its factorization.

53155165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25812.

The product of its digits is 11250, while the sum is 31.

The square root of 53155165 is about 7290.7588768248. The cubic root of 53155165 is about 375.9947868788.

It can be divided in two parts, 531 and 55165, that added together give a square (55696 = 236²).

The spelling of 53155165 in words is "fifty-three million, one hundred fifty-five thousand, one hundred sixty-five".