53041521 has 32 divisors (see below), whose sum is σ = 81930240. Its totient is φ = 30245184.

The previous prime is 53041511. The next prime is 53041523. The reversal of 53041521 is 12514035.

53041521 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 53041521 - 2¹⁰ = 53040497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53041523) 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 31 ways as a sum of consecutive naturals, for example, 34066 + ... + 35588.

It is an arithmetic number, because the mean of its divisors is an integer number (2560320).

Almost surely, 2^53041521 is an apocalyptic number.

It is an amenable number.

53041521 is a deficient number, since it is larger than the sum of its proper divisors (28888719).

53041521 is a wasteful number, since it uses less digits than its factorization.

53041521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 53041521 is about 7282.9610049759. The cubic root of 53041521 is about 375.7266408499.

Adding to 53041521 its reverse (12514035), we get a palindrome (65555556).

The spelling of 53041521 in words is "fifty-three million, forty-one thousand, five hundred twenty-one".