53116303 has 2 divisors, whose sum is σ = 53116304. Its totient is φ = 53116302.

The previous prime is 53116291. The next prime is 53116337. The reversal of 53116303 is 30361135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53116303 - 2²¹ = 51019151 is a prime.

It is a super-3 number, since 3×53116303³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53116373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26558151 + 26558152.

It is an arithmetic number, because the mean of its divisors is an integer number (26558152).

Almost surely, 2^53116303 is an apocalyptic number.

53116303 is a deficient number, since it is larger than the sum of its proper divisors (1).

53116303 is an equidigital number, since it uses as much as digits as its factorization.

53116303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 53116303 is about 7288.0932348592. The cubic root of 53116303 is about 375.9031339993.

Adding to 53116303 its reverse (30361135), we get a palindrome (83477438).

The spelling of 53116303 in words is "fifty-three million, one hundred sixteen thousand, three hundred three".