51416223 has 8 divisors (see below), whose sum is σ = 72163200. Its totient is φ = 32473368.

The previous prime is 51416219. The next prime is 51416249. The reversal of 51416223 is 32261415.

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

It is not a de Polignac number, because 51416223 - 2² = 51416219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51416193 and 51416202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51416203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450963 + ... + 451076.

It is an arithmetic number, because the mean of its divisors is an integer number (9020400).

Almost surely, 2^51416223 is an apocalyptic number.

51416223 is a deficient number, since it is larger than the sum of its proper divisors (20746977).

51416223 is a wasteful number, since it uses less digits than its factorization.

51416223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902061.

The product of its digits is 1440, while the sum is 24.

The square root of 51416223 is about 7170.5106512716. The cubic root of 51416223 is about 371.8490904247.

Adding to 51416223 its reverse (32261415), we get a palindrome (83677638).

The spelling of 51416223 in words is "fifty-one million, four hundred sixteen thousand, two hundred twenty-three".