53346389 has 2 divisors, whose sum is σ = 53346390. Its totient is φ = 53346388.

The previous prime is 53346373. The next prime is 53346413. The reversal of 53346389 is 98364335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48580900 + 4765489 = 6970^2 + 2183^2 .

It is a cyclic number.

It is not a de Polignac number, because 53346389 - 2⁴ = 53346373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53346329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26673194 + 26673195.

It is an arithmetic number, because the mean of its divisors is an integer number (26673195).

Almost surely, 2^53346389 is an apocalyptic number.

It is an amenable number.

53346389 is a deficient number, since it is larger than the sum of its proper divisors (1).

53346389 is an equidigital number, since it uses as much as digits as its factorization.

53346389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The square root of 53346389 is about 7303.8612390981. The cubic root of 53346389 is about 376.4451236783.

It can be divided in two parts, 53346 and 389, that added together give a palindrome (53735).

The spelling of 53346389 in words is "fifty-three million, three hundred forty-six thousand, three hundred eighty-nine".