53501525505 has 12 divisors (see below), whose sum is σ = 92735977620. Its totient is φ = 28534146912.

The previous prime is 53501525443. The next prime is 53501525507. The reversal of 53501525505 is 50552510535.

53501525505 is a `hidden beast` number, since 5 + 3 + 50 + 1 + 52 + 550 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6446805264 + 47054720241 = 80292^2 + 216921^2 .

It is not a de Polignac number, because 53501525505 - 2¹⁰ = 53501524481 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53501525505.

It is not an unprimeable number, because it can be changed into a prime (53501525507) 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 11 ways as a sum of consecutive naturals, for example, 594461350 + ... + 594461439.

It is an arithmetic number, because the mean of its divisors is an integer number (7727998135).

Almost surely, 2^53501525505 is an apocalyptic number.

It is an amenable number.

53501525505 is a deficient number, since it is larger than the sum of its proper divisors (39234452115).

53501525505 is a wasteful number, since it uses less digits than its factorization.

53501525505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188922800 (or 1188922797 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 53501525505 in words is "fifty-three billion, five hundred one million, five hundred twenty-five thousand, five hundred five".