51350063 has 4 divisors (see below), whose sum is σ = 51927120. Its totient is φ = 50773008.

The previous prime is 51350059. The next prime is 51350069. The reversal of 51350063 is 36005315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36005315 = 5 ⋅7201063.

It is a cyclic number.

It is not a de Polignac number, because 51350063 - 2² = 51350059 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 (51350069) 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, 288395 + ... + 288572.

It is an arithmetic number, because the mean of its divisors is an integer number (12981780).

Almost surely, 2^51350063 is an apocalyptic number.

51350063 is a deficient number, since it is larger than the sum of its proper divisors (577057).

51350063 is an equidigital number, since it uses as much as digits as its factorization.

51350063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577056.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 51350063 is about 7165.8958267616. The cubic root of 51350063 is about 371.6895292721.

Adding to 51350063 its reverse (36005315), we get a palindrome (87355378).

The spelling of 51350063 in words is "fifty-one million, three hundred fifty thousand, sixty-three".