51600555105649 has 32 divisors (see below), whose sum is σ = 59923878537600. Its totient is φ = 43938494645760.

The previous prime is 51600555105647. The next prime is 51600555105667. The reversal of 51600555105649 is 94650155500615.

It is not a de Polignac number, because 51600555105649 - 2¹ = 51600555105647 is a prime.

It is a super-2 number, since 2×51600555105649² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51600555105596 and 51600555105605.

It is not an unprimeable number, because it can be changed into a prime (51600555105647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317865747 + ... + 318028039.

It is an arithmetic number, because the mean of its divisors is an integer number (1872621204300).

Almost surely, 2^{51600555105649} is an apocalyptic number.

It is an amenable number.

51600555105649 is a deficient number, since it is larger than the sum of its proper divisors (8323323431951).

51600555105649 is a wasteful number, since it uses less digits than its factorization.

51600555105649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179505.

The product of its (nonzero) digits is 4050000, while the sum is 52.

The spelling of 51600555105649 in words is "fifty-one trillion, six hundred billion, five hundred fifty-five million, one hundred five thousand, six hundred forty-nine".