53099691885 has 16 divisors (see below), whose sum is σ = 94399452480. Its totient is φ = 28319835600.

The previous prime is 53099691713. The next prime is 53099691889. The reversal of 53099691885 is 58819699035.

53099691885 is a `hidden beast` number, since 530 + 9 + 9 + 6 + 9 + 18 + 85 = 666.

It is not a de Polignac number, because 53099691885 - 2¹⁴ = 53099675501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53099691889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196665391 + ... + 196665660.

It is an arithmetic number, because the mean of its divisors is an integer number (5899965780).

Almost surely, 2^53099691885 is an apocalyptic number.

It is an amenable number.

53099691885 is a deficient number, since it is larger than the sum of its proper divisors (41299760595).

53099691885 is a wasteful number, since it uses less digits than its factorization.

53099691885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393331065 (or 393331059 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 63.

The spelling of 53099691885 in words is "fifty-three billion, ninety-nine million, six hundred ninety-one thousand, eight hundred eighty-five".