53276989 has 2 divisors, whose sum is σ = 53276990. Its totient is φ = 53276988.

The previous prime is 53276983. The next prime is 53277001. The reversal of 53276989 is 98967235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44023225 + 9253764 = 6635^2 + 3042^2 .

It is a cyclic number.

It is not a de Polignac number, because 53276989 - 2³ = 53276981 is a prime.

It is a super-2 number, since 2×53276989² = 5676875113812242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53276981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26638494 + 26638495.

It is an arithmetic number, because the mean of its divisors is an integer number (26638495).

Almost surely, 2^53276989 is an apocalyptic number.

It is an amenable number.

53276989 is a deficient number, since it is larger than the sum of its proper divisors (1).

53276989 is an equidigital number, since it uses as much as digits as its factorization.

53276989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 53276989 is about 7299.1087812143. The cubic root of 53276989 is about 376.2818097262.

The spelling of 53276989 in words is "fifty-three million, two hundred seventy-six thousand, nine hundred eighty-nine".