51223632214 has 8 divisors (see below), whose sum is σ = 76837779000. Its totient is φ = 25611039216.

The previous prime is 51223632211. The next prime is 51223632221. The reversal of 51223632214 is 41223632215.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51223632211) 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, 302199 + ... + 440194.

It is an arithmetic number, because the mean of its divisors is an integer number (9604722375).

Almost surely, 2^51223632214 is an apocalyptic number.

51223632214 is a deficient number, since it is larger than the sum of its proper divisors (25614146786).

51223632214 is a wasteful number, since it uses less digits than its factorization.

51223632214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776894.

The product of its digits is 17280, while the sum is 31.

Subtracting from 51223632214 its reverse (41223632215), we obtain a palindrome (9999999999).

The spelling of 51223632214 in words is "fifty-one billion, two hundred twenty-three million, six hundred thirty-two thousand, two hundred fourteen".