54973665 has 24 divisors (see below), whose sum is σ = 100894248. Its totient is φ = 27594240.

The previous prime is 54973643. The next prime is 54973673. The reversal of 54973665 is 56637945.

54973665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 553536 + 54420129 = 744^2 + 7377^2 .

It is not a de Polignac number, because 54973665 - 2¹² = 54969569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 54973665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35166 + ... + 36695.

It is an arithmetic number, because the mean of its divisors is an integer number (4203927).

Almost surely, 2^54973665 is an apocalyptic number.

It is an amenable number.

54973665 is a deficient number, since it is larger than the sum of its proper divisors (45920583).

54973665 is a wasteful number, since it uses less digits than its factorization.

54973665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71889 (or 71886 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 54973665 is about 7414.4227691709. The cubic root of 54973665 is about 380.2345389598.

The spelling of 54973665 in words is "fifty-four million, nine hundred seventy-three thousand, six hundred sixty-five".