51223411 has 8 divisors (see below), whose sum is σ = 54014400. Its totient is φ = 48441960.

The previous prime is 51223379. The next prime is 51223423. The reversal of 51223411 is 11432215.

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 51223411 - 2⁵ = 51223379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51223451) 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, 10476 + ... + 14566.

It is an arithmetic number, because the mean of its divisors is an integer number (6751800).

Almost surely, 2^51223411 is an apocalyptic number.

51223411 is a deficient number, since it is larger than the sum of its proper divisors (2790989).

51223411 is a wasteful number, since it uses less digits than its factorization.

51223411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769.

The product of its digits is 240, while the sum is 19.

The square root of 51223411 is about 7157.0532343975. The cubic root of 51223411 is about 371.3836940215.

Adding to 51223411 its reverse (11432215), we get a palindrome (62655626).

The spelling of 51223411 in words is "fifty-one million, two hundred twenty-three thousand, four hundred eleven".