53356361 has 4 divisors (see below), whose sum is σ = 53446932. Its totient is φ = 53265792.

The previous prime is 53356349. The next prime is 53356367. The reversal of 53356361 is 16365335.

53356361 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.

It can be written as a sum of positive squares in 2 ways, for example, as 44689225 + 8667136 = 6685^2 + 2944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53356361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53356367) 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, 44396 + ... + 45581.

It is an arithmetic number, because the mean of its divisors is an integer number (13361733).

Almost surely, 2^53356361 is an apocalyptic number.

It is an amenable number.

53356361 is a deficient number, since it is larger than the sum of its proper divisors (90571).

53356361 is an equidigital number, since it uses as much as digits as its factorization.

53356361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90570.

The product of its digits is 24300, while the sum is 32.

The square root of 53356361 is about 7304.5438598177. The cubic root of 53356361 is about 376.4685784173.

The spelling of 53356361 in words is "fifty-three million, three hundred fifty-six thousand, three hundred sixty-one".