54845663 has 4 divisors (see below), whose sum is σ = 56012640. Its totient is φ = 53678688.

The previous prime is 54845657. The next prime is 54845669. The reversal of 54845663 is 36654845.

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

It is an interprime number because it is at equal distance from previous prime (54845657) and next prime (54845669).

It is a cyclic number.

It is not a de Polignac number, because 54845663 - 2¹⁰ = 54844639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54845663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54845669) 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, 583418 + ... + 583511.

It is an arithmetic number, because the mean of its divisors is an integer number (14003160).

Almost surely, 2^54845663 is an apocalyptic number.

54845663 is a deficient number, since it is larger than the sum of its proper divisors (1166977).

54845663 is a wasteful number, since it uses less digits than its factorization.

54845663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166976.

The product of its digits is 345600, while the sum is 41.

The square root of 54845663 is about 7405.7857787003. The cubic root of 54845663 is about 379.9391938717.

The spelling of 54845663 in words is "fifty-four million, eight hundred forty-five thousand, six hundred sixty-three".