53665878099 has 8 divisors (see below), whose sum is σ = 71563404240. Its totient is φ = 35772802016.

The previous prime is 53665878083. The next prime is 53665878107. The reversal of 53665878099 is 99087856635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53665878099 - 2⁴ = 53665878083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53665878199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084272 + ... + 1132685.

It is an arithmetic number, because the mean of its divisors is an integer number (8945425530).

Almost surely, 2^53665878099 is an apocalyptic number.

53665878099 is a deficient number, since it is larger than the sum of its proper divisors (17897526141).

53665878099 is a wasteful number, since it uses less digits than its factorization.

53665878099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225029.

The product of its (nonzero) digits is 97977600, while the sum is 66.

The spelling of 53665878099 in words is "fifty-three billion, six hundred sixty-five million, eight hundred seventy-eight thousand, ninety-nine".