53042661535 has 4 divisors (see below), whose sum is σ = 63651193848. Its totient is φ = 42434129224.

The previous prime is 53042661517. The next prime is 53042661559. The reversal of 53042661535 is 53516624035.

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 53042661535 - 2¹⁵ = 53042628767 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5304266149 + ... + 5304266158.

It is an arithmetic number, because the mean of its divisors is an integer number (15912798462).

Almost surely, 2^53042661535 is an apocalyptic number.

53042661535 is a deficient number, since it is larger than the sum of its proper divisors (10608532313).

53042661535 is a wasteful number, since it uses less digits than its factorization.

53042661535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10608532312.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 53042661535 in words is "fifty-three billion, forty-two million, six hundred sixty-one thousand, five hundred thirty-five".