51223458276 has 81 divisors (see below), whose sum is σ = 131676807171. Its totient is φ = 16789767984.

The previous prime is 51223458269. The next prime is 51223458317. The reversal of 51223458276 is 67285432215.

The square root of 51223458276 is 226326.

It is a perfect power (a square), and thus also a powerful number.

51223458276 is a `hidden beast` number, since 5 + 122 + 3 + 458 + 2 + 76 = 666.

It is a super-2 number, since 2×51223458276² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 90982771 + ... + 90983333.

Almost surely, 2^51223458276 is an apocalyptic number.

51223458276 is the 226326-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51223458276

51223458276 is an abundant number, since it is smaller than the sum of its proper divisors (80453348895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51223458276 is an equidigital number, since it uses as much as digits as its factorization.

51223458276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 635 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 51223458276 in words is "fifty-one billion, two hundred twenty-three million, four hundred fifty-eight thousand, two hundred seventy-six".