51223267336 has 24 divisors (see below), whose sum is σ = 96684233310. Its totient is φ = 25441929600.

The previous prime is 51223267321. The next prime is 51223267367. The reversal of 51223267336 is 63376232215.

It can be written as a sum of positive squares in only one way, i.e., 33162595236 + 18060672100 = 182106^2 + 134390^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42000 + ... + 322816.

Almost surely, 2^51223267336 is an apocalyptic number.

It is an amenable number.

51223267336 is a deficient number, since it is larger than the sum of its proper divisors (45460965974).

51223267336 is a wasteful number, since it uses less digits than its factorization.

51223267336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281125 (or 280970 counting only the distinct ones).

The product of its digits is 272160, while the sum is 40.

The spelling of 51223267336 in words is "fifty-one billion, two hundred twenty-three million, two hundred sixty-seven thousand, three hundred thirty-six".