54066655 has 16 divisors (see below), whose sum is σ = 66213504. Its totient is φ = 42372000.

The previous prime is 54066653. The next prime is 54066667. The reversal of 54066655 is 55666045.

It is not a de Polignac number, because 54066655 - 2¹ = 54066653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54066653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83764 + ... + 84406.

It is an arithmetic number, because the mean of its divisors is an integer number (4138344).

Almost surely, 2^54066655 is an apocalyptic number.

54066655 is a deficient number, since it is larger than the sum of its proper divisors (12146849).

54066655 is a wasteful number, since it uses less digits than its factorization.

54066655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 54066655 is about 7353.0031279743. The cubic root of 54066655 is about 378.1317696122.

The spelling of 54066655 in words is "fifty-four million, sixty-six thousand, six hundred fifty-five".