53570661 has 16 divisors (see below), whose sum is σ = 72311616. Its totient is φ = 35275136.

The previous prime is 53570659. The next prime is 53570669. The reversal of 53570661 is 16607535.

53570661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53570661 - 2¹ = 53570659 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53570669) 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 15 ways as a sum of consecutive naturals, for example, 120706 + ... + 121148.

It is an arithmetic number, because the mean of its divisors is an integer number (4519476).

Almost surely, 2^53570661 is an apocalyptic number.

It is an amenable number.

53570661 is a deficient number, since it is larger than the sum of its proper divisors (18740955).

53570661 is a wasteful number, since it uses less digits than its factorization.

53570661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 53570661 is about 7319.1981118153. The cubic root of 53570661 is about 376.9719201295.

The spelling of 53570661 in words is "fifty-three million, five hundred seventy thousand, six hundred sixty-one".