53865456835 has 4 divisors (see below), whose sum is σ = 64638548208. Its totient is φ = 43092365464.

The previous prime is 53865456833. The next prime is 53865456839.

53865456835 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53865456835 - 2¹ = 53865456833 is a prime.

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 53865456835.

It is not an unprimeable number, because it can be changed into a prime (53865456833) 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, 5386545679 + ... + 5386545688.

It is an arithmetic number, because the mean of its divisors is an integer number (16159637052).

Almost surely, 2^53865456835 is an apocalyptic number.

53865456835 is a deficient number, since it is larger than the sum of its proper divisors (10773091373).

53865456835 is a wasteful number, since it uses less digits than its factorization.

53865456835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10773091372.

The product of its digits is 51840000, while the sum is 58.

The spelling of 53865456835 in words is "fifty-three billion, eight hundred sixty-five million, four hundred fifty-six thousand, eight hundred thirty-five".