51550100236 has 12 divisors (see below), whose sum is σ = 90246393328. Its totient is φ = 25765416432.

The previous prime is 51550100219. The next prime is 51550100293. The reversal of 51550100236 is 63200105515.

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, 2396376 + ... + 2417791.

Almost surely, 2^51550100236 is an apocalyptic number.

It is an amenable number.

51550100236 is a deficient number, since it is larger than the sum of its proper divisors (38696293092).

51550100236 is a wasteful number, since it uses less digits than its factorization.

51550100236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816848 (or 4816846 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 51550100236 in words is "fifty-one billion, five hundred fifty million, one hundred thousand, two hundred thirty-six".