53416577 has 4 divisors (see below), whose sum is σ = 53945556. Its totient is φ = 52887600.

The previous prime is 53416513. The next prime is 53416589. The reversal of 53416577 is 77561435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24245776 + 29170801 = 4924^2 + 5401^2 .

It is a cyclic number.

It is not a de Polignac number, because 53416577 - 2⁶ = 53416513 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 53416577.

It is not an unprimeable number, because it can be changed into a prime (53416507) 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 3 ways as a sum of consecutive naturals, for example, 264338 + ... + 264539.

It is an arithmetic number, because the mean of its divisors is an integer number (13486389).

Almost surely, 2^53416577 is an apocalyptic number.

It is an amenable number.

53416577 is a deficient number, since it is larger than the sum of its proper divisors (528979).

53416577 is a wasteful number, since it uses less digits than its factorization.

53416577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528978.

The product of its digits is 88200, while the sum is 38.

The square root of 53416577 is about 7308.6645154912. The cubic root of 53416577 is about 376.6101479751.

The spelling of 53416577 in words is "fifty-three million, four hundred sixteen thousand, five hundred seventy-seven".