53461448609 has 4 divisors (see below), whose sum is σ = 53468782404. Its totient is φ = 53454114816.

The previous prime is 53461448597. The next prime is 53461448671. The reversal of 53461448609 is 90684416435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38219077009 + 15242371600 = 195497^2 + 123460^2 .

It is a cyclic number.

It is not a de Polignac number, because 53461448609 - 2⁸ = 53461448353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53461444609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3655952 + ... + 3670545.

It is an arithmetic number, because the mean of its divisors is an integer number (13367195601).

Almost surely, 2^53461448609 is an apocalyptic number.

It is an amenable number.

53461448609 is a deficient number, since it is larger than the sum of its proper divisors (7333795).

53461448609 is an equidigital number, since it uses as much as digits as its factorization.

53461448609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7333794.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 53461448609 in words is "fifty-three billion, four hundred sixty-one million, four hundred forty-eight thousand, six hundred nine".