53210896509 has 4 divisors (see below), whose sum is σ = 70947862016. Its totient is φ = 35473931004.

The previous prime is 53210896447. The next prime is 53210896517. The reversal of 53210896509 is 90569801235.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53210896509 - 2¹⁶ = 53210830973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53210896559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8868482749 + ... + 8868482754.

It is an arithmetic number, because the mean of its divisors is an integer number (17736965504).

Almost surely, 2^53210896509 is an apocalyptic number.

It is an amenable number.

53210896509 is a deficient number, since it is larger than the sum of its proper divisors (17736965507).

53210896509 is a wasteful number, since it uses less digits than its factorization.

53210896509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17736965506.

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 53210896509 in words is "fifty-three billion, two hundred ten million, eight hundred ninety-six thousand, five hundred nine".