53020069 has 2 divisors, whose sum is σ = 53020070. Its totient is φ = 53020068.

The previous prime is 53020067. The next prime is 53020073. The reversal of 53020069 is 96002035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30580900 + 22439169 = 5530^2 + 4737^2 .

It is a cyclic number.

It is not a de Polignac number, because 53020069 - 2¹ = 53020067 is a prime.

It is a super-2 number, since 2×53020069² = 5622255433529522, which contains 22 as substring.

Together with 53020067, it forms a pair of twin primes.

It is equal to p_3171175 and since 53020069 and 3171175 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53020067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26510034 + 26510035.

It is an arithmetic number, because the mean of its divisors is an integer number (26510035).

Almost surely, 2^53020069 is an apocalyptic number.

It is an amenable number.

53020069 is a deficient number, since it is larger than the sum of its proper divisors (1).

53020069 is an equidigital number, since it uses as much as digits as its factorization.

53020069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 53020069 is about 7281.4881034030. The cubic root of 53020069 is about 375.6759813251.

The spelling of 53020069 in words is "fifty-three million, twenty thousand, sixty-nine".