53369969 has 2 divisors, whose sum is σ = 53369970. Its totient is φ = 53369968.

The previous prime is 53369963. The next prime is 53369971. The reversal of 53369969 is 96996335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53114944 + 255025 = 7288^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 53369969 - 2²⁴ = 36592753 is a prime.

It is a super-2 number, since 2×53369969² = 5696707182121922, which contains 22 as substring.

Together with 53369971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53369963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26684984 + 26684985.

It is an arithmetic number, because the mean of its divisors is an integer number (26684985).

Almost surely, 2^53369969 is an apocalyptic number.

It is an amenable number.

53369969 is a deficient number, since it is larger than the sum of its proper divisors (1).

53369969 is an equidigital number, since it uses as much as digits as its factorization.

53369969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1180980, while the sum is 50.

The square root of 53369969 is about 7305.4752754355. The cubic root of 53369969 is about 376.5005805307.

The spelling of 53369969 in words is "fifty-three million, three hundred sixty-nine thousand, nine hundred sixty-nine".