54688645 has 8 divisors (see below), whose sum is σ = 71592480. Its totient is φ = 39773520.

The previous prime is 54688603. The next prime is 54688657.

54688645 is nontrivially palindromic in base 10.

54688645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-54688645 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54688595 and 54688604.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 497115 + ... + 497224.

It is an arithmetic number, because the mean of its divisors is an integer number (8949060).

Almost surely, 2^54688645 is an apocalyptic number.

54688645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54688645 is a deficient number, since it is larger than the sum of its proper divisors (16903835).

54688645 is a wasteful number, since it uses less digits than its factorization.

54688645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994355.

The product of its digits is 921600, while the sum is 46.

The square root of 54688645 is about 7395.1771445990. The cubic root of 54688645 is about 379.5762705283.

The spelling of 54688645 in words is "fifty-four million, six hundred eighty-eight thousand, six hundred forty-five".