53545053 has 24 divisors (see below), whose sum is σ = 76528960. Its totient is φ = 33292800.

The previous prime is 53545039. The next prime is 53545069. The reversal of 53545053 is 35054535.

It is a de Polignac number, because none of the positive numbers 2^k-53545053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53545053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53545003) 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 23 ways as a sum of consecutive naturals, for example, 130713 + ... + 131121.

Almost surely, 2^53545053 is an apocalyptic number.

It is an amenable number.

53545053 is a deficient number, since it is larger than the sum of its proper divisors (22983907).

53545053 is a wasteful number, since it uses less digits than its factorization.

53545053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 53545053 is about 7317.4485307380. The cubic root of 53545053 is about 376.9118434920.

Adding to 53545053 its reverse (35054535), we get a palindrome (88599588).

The spelling of 53545053 in words is "fifty-three million, five hundred forty-five thousand, fifty-three".