53800069 has 4 divisors (see below), whose sum is σ = 54004896. Its totient is φ = 53595244.

The previous prime is 53800067. The next prime is 53800079. The reversal of 53800069 is 96000835.

53800069 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53800069 - 2¹ = 53800067 is a prime.

It is a super-2 number, since 2×53800069² = 5788894848809522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53800069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53800067) 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, 102019 + ... + 102544.

It is an arithmetic number, because the mean of its divisors is an integer number (13501224).

Almost surely, 2^53800069 is an apocalyptic number.

It is an amenable number.

53800069 is a deficient number, since it is larger than the sum of its proper divisors (204827).

53800069 is a wasteful number, since it uses less digits than its factorization.

53800069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204826.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 53800069 is about 7334.8530319291. The cubic root of 53800069 is about 377.5092616473.

The spelling of 53800069 in words is "fifty-three million, eight hundred thousand, sixty-nine".