53430263809 has 8 divisors (see below), whose sum is σ = 58049491752. Its totient is φ = 48883779840.

The previous prime is 53430263773. The next prime is 53430263837. The reversal of 53430263809 is 90836203435.

It can be written as a sum of positive squares in 4 ways, for example, as 3777946225 + 49652317584 = 61465^2 + 222828^2 .

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 53430263809 - 2¹⁹ = 53429739521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53430263009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18184462 + ... + 18187399.

It is an arithmetic number, because the mean of its divisors is an integer number (7256186469).

Almost surely, 2^53430263809 is an apocalyptic number.

It is an amenable number.

53430263809 is a deficient number, since it is larger than the sum of its proper divisors (4619227943).

53430263809 is a wasteful number, since it uses less digits than its factorization.

53430263809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36371987.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 53430263809 in words is "fifty-three billion, four hundred thirty million, two hundred sixty-three thousand, eight hundred nine".