53245553 has 8 divisors (see below), whose sum is σ = 55613760. Its totient is φ = 50926320.

The previous prime is 53245471. The next prime is 53245559. The reversal of 53245553 is 35554235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53245553 - 2²⁴ = 36468337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53245559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10013 + ... + 14378.

It is an arithmetic number, because the mean of its divisors is an integer number (6951720).

Almost surely, 2^53245553 is an apocalyptic number.

It is an amenable number.

53245553 is a deficient number, since it is larger than the sum of its proper divisors (2368207).

53245553 is a wasteful number, since it uses less digits than its factorization.

53245553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24487.

The product of its digits is 45000, while the sum is 32.

The square root of 53245553 is about 7296.9550498821. The cubic root of 53245553 is about 376.2077870104.

Adding to 53245553 its reverse (35554235), we get a palindrome (88799788).

The spelling of 53245553 in words is "fifty-three million, two hundred forty-five thousand, five hundred fifty-three".