531053536655 has 16 divisors (see below), whose sum is σ = 649121156640. Its totient is φ = 417011075712.

The previous prime is 531053536589. The next prime is 531053536691. The reversal of 531053536655 is 556635350135.

It is a cyclic number.

It is not a de Polignac number, because 531053536655 - 2¹⁰ = 531053535631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4495004 + ... + 4611633.

It is an arithmetic number, because the mean of its divisors is an integer number (40570072290).

Almost surely, 2^531053536655 is an apocalyptic number.

531053536655 is a deficient number, since it is larger than the sum of its proper divisors (118067619985).

531053536655 is a wasteful number, since it uses less digits than its factorization.

531053536655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106858.

The product of its (nonzero) digits is 3037500, while the sum is 47.

The spelling of 531053536655 in words is "five hundred thirty-one billion, fifty-three million, five hundred thirty-six thousand, six hundred fifty-five".