53416351 has 4 divisors (see below), whose sum is σ = 53775000. Its totient is φ = 53057704.

The previous prime is 53416333. The next prime is 53416357. The reversal of 53416351 is 15361435.

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

It is a cyclic number.

It is not a de Polignac number, because 53416351 - 2⁹ = 53415839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53416357) 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, 179101 + ... + 179398.

It is an arithmetic number, because the mean of its divisors is an integer number (13443750).

Almost surely, 2^53416351 is an apocalyptic number.

53416351 is a deficient number, since it is larger than the sum of its proper divisors (358649).

53416351 is a wasteful number, since it uses less digits than its factorization.

53416351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358648.

The product of its digits is 5400, while the sum is 28.

The square root of 53416351 is about 7308.6490543739. The cubic root of 53416351 is about 376.6096168415.

Adding to 53416351 its reverse (15361435), we get a palindrome (68777786).

The spelling of 53416351 in words is "fifty-three million, four hundred sixteen thousand, three hundred fifty-one".