53506555 has 8 divisors (see below), whose sum is σ = 64248192. Its totient is φ = 42778368.

The previous prime is 53506553. The next prime is 53506567. The reversal of 53506555 is 55560535.

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 53506555 - 2¹ = 53506553 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 53506555.

It is not an unprimeable number, because it can be changed into a prime (53506553) 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, 10902 + ... + 15028.

It is an arithmetic number, because the mean of its divisors is an integer number (8031024).

Almost surely, 2^53506555 is an apocalyptic number.

53506555 is a deficient number, since it is larger than the sum of its proper divisors (10741637).

53506555 is a wasteful number, since it uses less digits than its factorization.

53506555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6725.

The product of its (nonzero) digits is 56250, while the sum is 34.

The square root of 53506555 is about 7314.8174960145. The cubic root of 53506555 is about 376.8214907249.

The spelling of 53506555 in words is "fifty-three million, five hundred six thousand, five hundred fifty-five".