54806645 has 16 divisors (see below), whose sum is σ = 67392000. Its totient is φ = 42776448.

The previous prime is 54806641. The next prime is 54806651. The reversal of 54806645 is 54660845.

It is a cyclic number.

It is not a de Polignac number, because 54806645 - 2² = 54806641 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54806599 and 54806608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54806641) 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, 34376 + ... + 35934.

It is an arithmetic number, because the mean of its divisors is an integer number (4212000).

Almost surely, 2^54806645 is an apocalyptic number.

It is an amenable number.

54806645 is a deficient number, since it is larger than the sum of its proper divisors (12585355).

54806645 is a wasteful number, since it uses less digits than its factorization.

54806645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 54806645 is about 7403.1510183165. The cubic root of 54806645 is about 379.8490744135.

The spelling of 54806645 in words is "fifty-four million, eight hundred six thousand, six hundred forty-five".