51022853 has 4 divisors (see below), whose sum is σ = 58311840. Its totient is φ = 43733868.

The previous prime is 51022849. The next prime is 51022859. The reversal of 51022853 is 35822015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51022853 - 2² = 51022849 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 (51022859) 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, 3644483 + ... + 3644496.

It is an arithmetic number, because the mean of its divisors is an integer number (14577960).

Almost surely, 2^51022853 is an apocalyptic number.

It is an amenable number.

51022853 is a deficient number, since it is larger than the sum of its proper divisors (7288987).

51022853 is an equidigital number, since it uses as much as digits as its factorization.

51022853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7288986.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 51022853 is about 7143.0282793784. The cubic root of 51022853 is about 370.8983599920.

Adding to 51022853 its reverse (35822015), we get a palindrome (86844868).

The spelling of 51022853 in words is "fifty-one million, twenty-two thousand, eight hundred fifty-three".