5457853421 has 2 divisors, whose sum is σ = 5457853422. Its totient is φ = 5457853420.

The previous prime is 5457853411. The next prime is 5457853439. The reversal of 5457853421 is 1243587545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2801584900 + 2656268521 = 52930^2 + 51539^2 .

It is a cyclic number.

It is not a de Polignac number, because 5457853421 - 2¹⁴ = 5457837037 is a prime.

It is a super-5 number, since 5×5457853421⁵ (a number of 50 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5457853411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2728926710 + 2728926711.

It is an arithmetic number, because the mean of its divisors is an integer number (2728926711).

Almost surely, 2^5457853421 is an apocalyptic number.

It is an amenable number.

5457853421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5457853421 is an equidigital number, since it uses as much as digits as its factorization.

5457853421 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5457853421 is about 73877.2862319671. The cubic root of 5457853421 is about 1760.6537495813.

The spelling of 5457853421 in words is "five billion, four hundred fifty-seven million, eight hundred fifty-three thousand, four hundred twenty-one".