53516555 has 8 divisors (see below), whose sum is σ = 64465632. Its totient is φ = 42649408.

The previous prime is 53516531. The next prime is 53516557. The reversal of 53516555 is 55561535.

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 53516555 - 2⁸ = 53516299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53516557) 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 7 ways as a sum of consecutive naturals, for example, 19034 + ... + 21663.

It is an arithmetic number, because the mean of its divisors is an integer number (8058204).

Almost surely, 2^53516555 is an apocalyptic number.

53516555 is a deficient number, since it is larger than the sum of its proper divisors (10949077).

53516555 is a wasteful number, since it uses less digits than its factorization.

53516555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40965.

The product of its digits is 56250, while the sum is 35.

The square root of 53516555 is about 7315.5010081333. The cubic root of 53516555 is about 376.8449643609.

The spelling of 53516555 in words is "fifty-three million, five hundred sixteen thousand, five hundred fifty-five".