53231569 has 2 divisors, whose sum is σ = 53231570. Its totient is φ = 53231568.

The previous prime is 53231551. The next prime is 53231587. The reversal of 53231569 is 96513235.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (53231551) and next prime (53231587).

It can be written as a sum of positive squares in only one way, i.e., 36723600 + 16507969 = 6060^2 + 4063^2 .

It is a cyclic number.

It is not a de Polignac number, because 53231569 - 2⁷ = 53231441 is a prime.

It is a super-2 number, since 2×53231569² = 5667199876403522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53231599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26615784 + 26615785.

It is an arithmetic number, because the mean of its divisors is an integer number (26615785).

Almost surely, 2^53231569 is an apocalyptic number.

It is an amenable number.

53231569 is a deficient number, since it is larger than the sum of its proper divisors (1).

53231569 is an equidigital number, since it uses as much as digits as its factorization.

53231569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 34.

The square root of 53231569 is about 7295.9967790563. The cubic root of 53231569 is about 376.1748493594.

The spelling of 53231569 in words is "fifty-three million, two hundred thirty-one thousand, five hundred sixty-nine".