53561616535 has 48 divisors (see below), whose sum is σ = 75786466752. Its totient is φ = 36230208000.

The previous prime is 53561616533. The next prime is 53561616541.

53561616535 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 53561616535 - 2¹ = 53561616533 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 (53561616533) 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 47 ways as a sum of consecutive naturals, for example, 6949494 + ... + 6957196.

It is an arithmetic number, because the mean of its divisors is an integer number (1578884724).

Almost surely, 2^53561616535 is an apocalyptic number.

53561616535 is a deficient number, since it is larger than the sum of its proper divisors (22224850217).

53561616535 is a wasteful number, since it uses less digits than its factorization.

53561616535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104 (or 8097 counting only the distinct ones).

The product of its digits is 1215000, while the sum is 46.

The spelling of 53561616535 in words is "fifty-three billion, five hundred sixty-one million, six hundred sixteen thousand, five hundred thirty-five".