53109699 has 4 divisors (see below), whose sum is σ = 70812936. Its totient is φ = 35406464.

The previous prime is 53109677. The next prime is 53109703. The reversal of 53109699 is 99690135.

53109699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53109699 - 2⁹ = 53109187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53109699.

It is not an unprimeable number, because it can be changed into a prime (53109619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8851614 + ... + 8851619.

It is an arithmetic number, because the mean of its divisors is an integer number (17703234).

Almost surely, 2^53109699 is an apocalyptic number.

53109699 is a deficient number, since it is larger than the sum of its proper divisors (17703237).

53109699 is a wasteful number, since it uses less digits than its factorization.

53109699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17703236.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 53109699 is about 7287.6401530262. The cubic root of 53109699 is about 375.8875545567.

The spelling of 53109699 in words is "fifty-three million, one hundred nine thousand, six hundred ninety-nine".