53350069 has 2 divisors, whose sum is σ = 53350070. Its totient is φ = 53350068.

The previous prime is 53350067. The next prime is 53350091. The reversal of 53350069 is 96005335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49871844 + 3478225 = 7062^2 + 1865^2 .

It is a cyclic number.

It is not a de Polignac number, because 53350069 - 2¹ = 53350067 is a prime.

It is a super-2 number, since 2×53350069² = 5692459724609522, which contains 22 as substring.

Together with 53350067, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 53350069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53350067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26675034 + 26675035.

It is an arithmetic number, because the mean of its divisors is an integer number (26675035).

Almost surely, 2^53350069 is an apocalyptic number.

It is an amenable number.

53350069 is a deficient number, since it is larger than the sum of its proper divisors (1).

53350069 is an equidigital number, since it uses as much as digits as its factorization.

53350069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 53350069 is about 7304.1131562976. The cubic root of 53350069 is about 376.4537795981.

The spelling of 53350069 in words is "fifty-three million, three hundred fifty thousand, sixty-nine".