53505641 has 4 divisors (see below), whose sum is σ = 61149312. Its totient is φ = 45861972.

The previous prime is 53505607. The next prime is 53505649. The reversal of 53505641 is 14650535.

53505641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53505641 - 2¹⁰ = 53504617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53505649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3821825 + ... + 3821838.

It is an arithmetic number, because the mean of its divisors is an integer number (15287328).

Almost surely, 2^53505641 is an apocalyptic number.

It is an amenable number.

53505641 is a deficient number, since it is larger than the sum of its proper divisors (7643671).

53505641 is an equidigital number, since it uses as much as digits as its factorization.

53505641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7643670.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 53505641 is about 7314.7550198212. The cubic root of 53505641 is about 376.8193450888.

The spelling of 53505641 in words is "fifty-three million, five hundred five thousand, six hundred forty-one".