5478321545 has 8 divisors (see below), whose sum is σ = 6582886080. Its totient is φ = 4376723760.

The previous prime is 5478321533. The next prime is 5478321571. The reversal of 5478321545 is 5451238745.

5478321545 is digitally balanced in base 3, 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 not a de Polignac number, because 5478321545 - 2⁴ = 5478321529 is a prime.

It is a super-2 number, since 2×5478321545² = 60024013900822374050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5478321496 and 5478321505.

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, 737621 + ... + 745010.

It is an arithmetic number, because the mean of its divisors is an integer number (822860760).

Almost surely, 2^5478321545 is an apocalyptic number.

It is an amenable number.

5478321545 is a deficient number, since it is larger than the sum of its proper divisors (1104564535).

5478321545 is a wasteful number, since it uses less digits than its factorization.

5478321545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483375.

The product of its digits is 672000, while the sum is 44.

The square root of 5478321545 is about 74015.6844526888. The cubic root of 5478321545 is about 1762.8519473545.

The spelling of 5478321545 in words is "five billion, four hundred seventy-eight million, three hundred twenty-one thousand, five hundred forty-five".