53066553 has 4 divisors (see below), whose sum is σ = 70755408. Its totient is φ = 35377700.

The previous prime is 53066509. The next prime is 53066579. The reversal of 53066553 is 35566035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53066553 - 2¹³ = 53058361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53066053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8844423 + ... + 8844428.

It is an arithmetic number, because the mean of its divisors is an integer number (17688852).

Almost surely, 2^53066553 is an apocalyptic number.

It is an amenable number.

53066553 is a deficient number, since it is larger than the sum of its proper divisors (17688855).

53066553 is a wasteful number, since it uses less digits than its factorization.

53066553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17688854.

The product of its (nonzero) digits is 40500, while the sum is 33.

The square root of 53066553 is about 7284.6793340545. The cubic root of 53066553 is about 375.7857373837.

The spelling of 53066553 in words is "fifty-three million, sixty-six thousand, five hundred fifty-three".