53501214409 has 2 divisors, whose sum is σ = 53501214410. Its totient is φ = 53501214408.

The previous prime is 53501214383. The next prime is 53501214413. The reversal of 53501214409 is 90441210535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53314810000 + 186404409 = 230900^2 + 13653^2 .

It is a cyclic number.

It is not a de Polignac number, because 53501214409 - 2⁷ = 53501214281 is a prime.

It is not a weakly prime, because it can be changed into another prime (53501214419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26750607204 + 26750607205.

It is an arithmetic number, because the mean of its divisors is an integer number (26750607205).

Almost surely, 2^53501214409 is an apocalyptic number.

It is an amenable number.

53501214409 is a deficient number, since it is larger than the sum of its proper divisors (1).

53501214409 is an equidigital number, since it uses as much as digits as its factorization.

53501214409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 53501214409 in words is "fifty-three billion, five hundred one million, two hundred fourteen thousand, four hundred nine".