52969789 has 2 divisors, whose sum is σ = 52969790. Its totient is φ = 52969788.

The previous prime is 52969781. The next prime is 52969801. The reversal of 52969789 is 98796925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41860900 + 11108889 = 6470^2 + 3333^2 .

It is a cyclic number.

It is not a de Polignac number, because 52969789 - 2³ = 52969781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52969781) 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, 26484894 + 26484895.

It is an arithmetic number, because the mean of its divisors is an integer number (26484895).

Almost surely, 2^52969789 is an apocalyptic number.

It is an amenable number.

52969789 is a deficient number, since it is larger than the sum of its proper divisors (1).

52969789 is an equidigital number, since it uses as much as digits as its factorization.

52969789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 55.

The square root of 52969789 is about 7278.0346935145. The cubic root of 52969789 is about 375.5571900649.

The spelling of 52969789 in words is "fifty-two million, nine hundred sixty-nine thousand, seven hundred eighty-nine".