51022263 has 8 divisors (see below), whose sum is σ = 68289408. Its totient is φ = 33884984.

The previous prime is 51022261. The next prime is 51022289. The reversal of 51022263 is 36222015.

51022263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51022263 - 2¹ = 51022261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51022261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31545 + ... + 33122.

It is an arithmetic number, because the mean of its divisors is an integer number (8536176).

Almost surely, 2^51022263 is an apocalyptic number.

51022263 is a deficient number, since it is larger than the sum of its proper divisors (17267145).

51022263 is a wasteful number, since it uses less digits than its factorization.

51022263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64933.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 51022263 is about 7142.9869802485. The cubic root of 51022263 is about 370.8969303655.

Adding to 51022263 its reverse (36222015), we get a palindrome (87244278).

The spelling of 51022263 in words is "fifty-one million, twenty-two thousand, two hundred sixty-three".