53566535 has 16 divisors (see below), whose sum is σ = 70446240. Its totient is φ = 38778240.

The previous prime is 53566531. The next prime is 53566549.

It is a happy number.

53566535 is nontrivially palindromic in base 10.

53566535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53566535 - 2² = 53566531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53566531) 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, 10469 + ... + 14721.

It is an arithmetic number, because the mean of its divisors is an integer number (4402890).

Almost surely, 2^53566535 is an apocalyptic number.

53566535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53566535 is a deficient number, since it is larger than the sum of its proper divisors (16879705).

53566535 is a wasteful number, since it uses less digits than its factorization.

53566535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498.

The product of its digits is 202500, while the sum is 38.

The square root of 53566535 is about 7318.9162449095. The cubic root of 53566535 is about 376.9622417841.

The spelling of 53566535 in words is "fifty-three million, five hundred sixty-six thousand, five hundred thirty-five".