53432553 has 8 divisors (see below), whose sum is σ = 72981216. Its totient is φ = 34752800.

The previous prime is 53432549. The next prime is 53432591. The reversal of 53432553 is 35523435.

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 53432553 - 2² = 53432549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53432553.

It is not an unprimeable number, because it can be changed into a prime (53432593) 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, 217083 + ... + 217328.

It is an arithmetic number, because the mean of its divisors is an integer number (9122652).

Almost surely, 2^53432553 is an apocalyptic number.

It is an amenable number.

53432553 is a deficient number, since it is larger than the sum of its proper divisors (19548663).

53432553 is a wasteful number, since it uses less digits than its factorization.

53432553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434455.

The product of its digits is 27000, while the sum is 30.

The square root of 53432553 is about 7309.7573831147. The cubic root of 53432553 is about 376.6476901535.

Adding to 53432553 its reverse (35523435), we get a palindrome (88955988).

The spelling of 53432553 in words is "fifty-three million, four hundred thirty-two thousand, five hundred fifty-three".