54535665 has 16 divisors (see below), whose sum is σ = 90072576. Its totient is φ = 28147200.

The previous prime is 54535661. The next prime is 54535667. The reversal of 54535665 is 56653545.

It is not a de Polignac number, because 54535665 - 2² = 54535661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54535661) 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 15 ways as a sum of consecutive naturals, for example, 58176 + ... + 59105.

It is an arithmetic number, because the mean of its divisors is an integer number (5629536).

Almost surely, 2^54535665 is an apocalyptic number.

It is an amenable number.

54535665 is a deficient number, since it is larger than the sum of its proper divisors (35536911).

54535665 is a wasteful number, since it uses less digits than its factorization.

54535665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117320.

The product of its digits is 270000, while the sum is 39.

The square root of 54535665 is about 7384.8266736600. The cubic root of 54535665 is about 379.2220116987. Note that the first 3 decimals are identical.

The spelling of 54535665 in words is "fifty-four million, five hundred thirty-five thousand, six hundred sixty-five".