53576243 has 4 divisors (see below), whose sum is σ = 61230000. Its totient is φ = 45922488.

The previous prime is 53576227. The next prime is 53576261. The reversal of 53576243 is 34267535.

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

It is a cyclic number.

It is not a de Polignac number, because 53576243 - 2⁴ = 53576227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53576203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3826868 + ... + 3826881.

It is an arithmetic number, because the mean of its divisors is an integer number (15307500).

Almost surely, 2^53576243 is an apocalyptic number.

53576243 is a deficient number, since it is larger than the sum of its proper divisors (7653757).

53576243 is an equidigital number, since it uses as much as digits as its factorization.

53576243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7653756.

The product of its digits is 75600, while the sum is 35.

The square root of 53576243 is about 7319.5794278087. The cubic root of 53576243 is about 376.9850130186.

The spelling of 53576243 in words is "fifty-three million, five hundred seventy-six thousand, two hundred forty-three".