54165645 has 32 divisors (see below), whose sum is σ = 96599040. Its totient is φ = 28797120.

The previous prime is 54165641. The next prime is 54165653. The reversal of 54165645 is 54656145.

54165645 is a `hidden beast` number, since 5 + 4 + 1 + 6 + 5 + 645 = 666.

It is not a de Polignac number, because 54165645 - 2² = 54165641 is a prime.

It is a super-3 number, since 3×54165645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54165641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81615 + ... + 82275.

It is an arithmetic number, because the mean of its divisors is an integer number (3018720).

Almost surely, 2^54165645 is an apocalyptic number.

It is an amenable number.

54165645 is a deficient number, since it is larger than the sum of its proper divisors (42433395).

54165645 is a wasteful number, since it uses less digits than its factorization.

54165645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1276 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 54165645 is about 7359.7313130304. The cubic root of 54165645 is about 378.3624012460.

The spelling of 54165645 in words is "fifty-four million, one hundred sixty-five thousand, six hundred forty-five".