54163665 has 48 divisors (see below), whose sum is σ = 99380736. Its totient is φ = 27244800.

The previous prime is 54163663. The next prime is 54163667. The reversal of 54163665 is 56636145.

It is an interprime number because it is at equal distance from previous prime (54163663) and next prime (54163667).

It is not a de Polignac number, because 54163665 - 2¹ = 54163663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54163663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56722 + ... + 57668.

It is an arithmetic number, because the mean of its divisors is an integer number (2070432).

Almost surely, 2^54163665 is an apocalyptic number.

It is an amenable number.

54163665 is a deficient number, since it is larger than the sum of its proper divisors (45217071).

54163665 is a wasteful number, since it uses less digits than its factorization.

54163665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1027 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 54163665 is about 7359.5967960208. The cubic root of 54163665 is about 378.3577909025.

The spelling of 54163665 in words is "fifty-four million, one hundred sixty-three thousand, six hundred sixty-five".