54485999 has 4 divisors (see below), whose sum is σ = 54546720. Its totient is φ = 54425280.

The previous prime is 54485953. The next prime is 54486013. The reversal of 54485999 is 99958445.

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-54485999 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 54485999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54485929) 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 3 ways as a sum of consecutive naturals, for example, 28994 + ... + 30815.

It is an arithmetic number, because the mean of its divisors is an integer number (13636680).

Almost surely, 2^54485999 is an apocalyptic number.

54485999 is a deficient number, since it is larger than the sum of its proper divisors (60721).

54485999 is an equidigital number, since it uses as much as digits as its factorization.

54485999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60720.

The product of its digits is 2332800, while the sum is 53.

The square root of 54485999 is about 7381.4632018320. The cubic root of 54485999 is about 379.1068567148.

The spelling of 54485999 in words is "fifty-four million, four hundred eighty-five thousand, nine hundred ninety-nine".