51307226863628 has 24 divisors (see below), whose sum is σ = 90310917671520. Its totient is φ = 25504192949760.

The previous prime is 51307226863577. The next prime is 51307226863639. The reversal of 51307226863628 is 82636862270315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8272901 + ... + 13078812.

It is an arithmetic number, because the mean of its divisors is an integer number (3762954902980).

Almost surely, 2^{51307226863628} is an apocalyptic number.

It is an amenable number.

51307226863628 is a deficient number, since it is larger than the sum of its proper divisors (39003690807892).

51307226863628 is a wasteful number, since it uses less digits than its factorization.

51307226863628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21355217 (or 21355215 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 59.

The spelling of 51307226863628 in words is "fifty-one trillion, three hundred seven billion, two hundred twenty-six million, eight hundred sixty-three thousand, six hundred twenty-eight".