51093243228 has 12 divisors (see below), whose sum is σ = 119217567560. Its totient is φ = 17031081072.

The previous prime is 51093243209. The next prime is 51093243233. The reversal of 51093243228 is 82234239015.

51093243228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×51093243228² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2128885123 + ... + 2128885146.

Almost surely, 2^51093243228 is an apocalyptic number.

It is an amenable number.

51093243228 is an abundant number, since it is smaller than the sum of its proper divisors (68124324332).

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

51093243228 is a wasteful number, since it uses less digits than its factorization.

51093243228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257770276 (or 4257770274 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 51093243228 in words is "fifty-one billion, ninety-three million, two hundred forty-three thousand, two hundred twenty-eight".