54646663 has 4 divisors (see below), whose sum is σ = 54676000. Its totient is φ = 54617328.

The previous prime is 54646651. The next prime is 54646699. The reversal of 54646663 is 36664645.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54646663 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 (54646463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11670 + ... + 15667.

It is an arithmetic number, because the mean of its divisors is an integer number (13669000).

Almost surely, 2^54646663 is an apocalyptic number.

54646663 is a deficient number, since it is larger than the sum of its proper divisors (29337).

54646663 is a wasteful number, since it uses less digits than its factorization.

54646663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29336.

The product of its digits is 311040, while the sum is 40.

The square root of 54646663 is about 7392.3381280891. The cubic root of 54646663 is about 379.4791178175.

The spelling of 54646663 in words is "fifty-four million, six hundred forty-six thousand, six hundred sixty-three".