53504975511 has 48 divisors (see below), whose sum is σ = 83725125120. Its totient is φ = 32730880320.

The previous prime is 53504975507. The next prime is 53504975519. The reversal of 53504975511 is 11557940535.

53504975511 is a `hidden beast` number, since 5 + 3 + 5 + 0 + 4 + 97 + 551 + 1 = 666.

It is not a de Polignac number, because 53504975511 - 2² = 53504975507 is a prime.

It is a super-2 number, since 2×53504975511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53504975519) 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, 14573206 + ... + 14576876.

It is an arithmetic number, because the mean of its divisors is an integer number (1744273440).

Almost surely, 2^53504975511 is an apocalyptic number.

53504975511 is a deficient number, since it is larger than the sum of its proper divisors (30220149609).

53504975511 is a wasteful number, since it uses less digits than its factorization.

53504975511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396 (or 4393 counting only the distinct ones).

The product of its (nonzero) digits is 472500, while the sum is 45.

The spelling of 53504975511 in words is "fifty-three billion, five hundred four million, nine hundred seventy-five thousand, five hundred eleven".