55006545 has 32 divisors (see below), whose sum is σ = 96370560. Its totient is φ = 26570240.

The previous prime is 55006517. The next prime is 55006559. The reversal of 55006545 is 54560055.

55006545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55006545 - 2⁵ = 55006513 is a prime.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 63757 + ... + 64613.

It is an arithmetic number, because the mean of its divisors is an integer number (3011580).

Almost surely, 2^55006545 is an apocalyptic number.

55006545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55006545 is a deficient number, since it is larger than the sum of its proper divisors (41364015).

55006545 is a wasteful number, since it uses less digits than its factorization.

55006545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 55006545 is about 7416.6397377788. The cubic root of 55006545 is about 380.3103305226.

The spelling of 55006545 in words is "fifty-five million, six thousand, five hundred forty-five".