54212165 has 16 divisors (see below), whose sum is σ = 76913280. Its totient is φ = 35891520.

The previous prime is 54212153. The next prime is 54212203. The reversal of 54212165 is 56121245.

It is not a de Polignac number, because 54212165 - 2⁸ = 54211909 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25691 + ... + 27720.

It is an arithmetic number, because the mean of its divisors is an integer number (4807080).

Almost surely, 2^54212165 is an apocalyptic number.

It is an amenable number.

54212165 is a deficient number, since it is larger than the sum of its proper divisors (22701115).

54212165 is a wasteful number, since it uses less digits than its factorization.

54212165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53452.

The product of its digits is 2400, while the sum is 26.

The square root of 54212165 is about 7362.8910762010. The cubic root of 54212165 is about 378.4706887182.

The spelling of 54212165 in words is "fifty-four million, two hundred twelve thousand, one hundred sixty-five".