54644665 has 32 divisors (see below), whose sum is σ = 73094400. Its totient is φ = 39029760.

The previous prime is 54644663. The next prime is 54644687. The reversal of 54644665 is 56644645.

It is not a de Polignac number, because 54644665 - 2¹ = 54644663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54644663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194325 + ... + 194605.

It is an arithmetic number, because the mean of its divisors is an integer number (2284200).

Almost surely, 2^54644665 is an apocalyptic number.

It is an amenable number.

54644665 is a deficient number, since it is larger than the sum of its proper divisors (18449735).

54644665 is a wasteful number, since it uses less digits than its factorization.

54644665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its digits is 345600, while the sum is 40.

The square root of 54644665 is about 7392.2029869316. The cubic root of 54644665 is about 379.4744929024.

The spelling of 54644665 in words is "fifty-four million, six hundred forty-four thousand, six hundred sixty-five".