5457880645 has 8 divisors (see below), whose sum is σ = 7485093504. Its totient is φ = 3742546704.

The previous prime is 5457880643. The next prime is 5457880661. The reversal of 5457880645 is 5460887545.

It is a happy number.

5457880645 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 a cyclic number.

It is not a de Polignac number, because 5457880645 - 2¹ = 5457880643 is a prime.

It is a super-2 number, since 2×5457880645² = 59576922270131232050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5457880592 and 5457880601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5457880643) by changing a digit.

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, 77969689 + ... + 77969758.

It is an arithmetic number, because the mean of its divisors is an integer number (935636688).

Almost surely, 2^5457880645 is an apocalyptic number.

It is an amenable number.

5457880645 is a deficient number, since it is larger than the sum of its proper divisors (2027212859).

5457880645 is a wasteful number, since it uses less digits than its factorization.

5457880645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155939459.

The product of its (nonzero) digits is 5376000, while the sum is 52.

The square root of 5457880645 is about 73877.4704832265. The cubic root of 5457880645 is about 1760.6566769812.

The spelling of 5457880645 in words is "five billion, four hundred fifty-seven million, eight hundred eighty thousand, six hundred forty-five".