53605002516531 has 64 divisors (see below), whose sum is σ = 74901337029120. Its totient is φ = 34056804741120.

The previous prime is 53605002516491. The next prime is 53605002516581. The reversal of 53605002516531 is 13561520050635.

It is not a de Polignac number, because 53605002516531 - 2¹⁰ = 53605002515507 is a prime.

It is a super-2 number, since 2×53605002516531² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53605002516581) 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 63 ways as a sum of consecutive naturals, for example, 6757213041 + ... + 6757220973.

It is an arithmetic number, because the mean of its divisors is an integer number (1170333391080).

Almost surely, 2^{53605002516531} is an apocalyptic number.

53605002516531 is a deficient number, since it is larger than the sum of its proper divisors (21296334512589).

53605002516531 is a wasteful number, since it uses less digits than its factorization.

53605002516531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10116.

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 53605002516531 in words is "fifty-three trillion, six hundred five billion, two million, five hundred sixteen thousand, five hundred thirty-one".