51028363 has 4 divisors (see below), whose sum is σ = 51523888. Its totient is φ = 50532840.

The previous prime is 51028361. The next prime is 51028403. The reversal of 51028363 is 36382015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36382015 = 5 ⋅7276403.

It is a cyclic number.

It is not a de Polignac number, because 51028363 - 2¹ = 51028361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51028361) 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, 247608 + ... + 247813.

It is an arithmetic number, because the mean of its divisors is an integer number (12880972).

Almost surely, 2^51028363 is an apocalyptic number.

51028363 is a deficient number, since it is larger than the sum of its proper divisors (495525).

51028363 is a wasteful number, since it uses less digits than its factorization.

51028363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495524.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 51028363 is about 7143.4139597254. The cubic root of 51028363 is about 370.9117107181.

The spelling of 51028363 in words is "fifty-one million, twenty-eight thousand, three hundred sixty-three".