53240646217 has 8 divisors (see below), whose sum is σ = 58082442912. Its totient is φ = 48399139200.

The previous prime is 53240646197. The next prime is 53240646253. The reversal of 53240646217 is 71264604235.

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 53240646217 - 2²⁷ = 53106428489 is a prime.

It is a super-2 number, since 2×53240646217² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53240646217.

It is not an unprimeable number, because it can be changed into a prime (53240646517) 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 in 7 ways as a sum of consecutive naturals, for example, 529278 + ... + 621784.

It is an arithmetic number, because the mean of its divisors is an integer number (7260305364).

Almost surely, 2^53240646217 is an apocalyptic number.

It is an amenable number.

53240646217 is a deficient number, since it is larger than the sum of its proper divisors (4841796695).

53240646217 is a wasteful number, since it uses less digits than its factorization.

53240646217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144839.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 53240646217 in words is "fifty-three billion, two hundred forty million, six hundred forty-six thousand, two hundred seventeen".