51551612033650 has 24 divisors (see below), whose sum is σ = 96734547051444. Its totient is φ = 20438161228800.

The previous prime is 51551612033599. The next prime is 51551612033653. The reversal of 51551612033650 is 5633021615515.

It can be written as a sum of positive squares in 6 ways, for example, as 3894556212369 + 47657055821281 = 1973463^2 + 6903409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51551612033597 and 51551612033606.

It is not an unprimeable number, because it can be changed into a prime (51551612033653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4562083911 + ... + 4562095210.

Almost surely, 2^{51551612033650} is an apocalyptic number.

51551612033650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51551612033650 is a deficient number, since it is larger than the sum of its proper divisors (45182935017794).

51551612033650 is a wasteful number, since it uses less digits than its factorization.

51551612033650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9124179246 (or 9124179241 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 51551612033650 in words is "fifty-one trillion, five hundred fifty-one billion, six hundred twelve million, thirty-three thousand, six hundred fifty".