54390165 has 8 divisors (see below), whose sum is σ = 87024288. Its totient is φ = 29008080.

The previous prime is 54390121. The next prime is 54390169. The reversal of 54390165 is 56109345.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54390165 - 2¹⁰ = 54389141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54390169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1812991 + ... + 1813020.

It is an arithmetic number, because the mean of its divisors is an integer number (10878036).

Almost surely, 2^54390165 is an apocalyptic number.

It is an amenable number.

54390165 is a deficient number, since it is larger than the sum of its proper divisors (32634123).

54390165 is a wasteful number, since it uses less digits than its factorization.

54390165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626019.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 54390165 is about 7374.9688134934. The cubic root of 54390165 is about 378.8844592258.

The spelling of 54390165 in words is "fifty-four million, three hundred ninety thousand, one hundred sixty-five".