5551688733377 has 2 divisors, whose sum is σ = 5551688733378. Its totient is φ = 5551688733376.

The previous prime is 5551688733301. The next prime is 5551688733389. The reversal of 5551688733377 is 7733378861555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5551188361216 + 500372161 = 2356096^2 + 22369^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551688733377 - 2⁸ = 5551688733121 is a prime.

It is not a weakly prime, because it can be changed into another prime (5551688733077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775844366688 + 2775844366689.

It is an arithmetic number, because the mean of its divisors is an integer number (2775844366689).

Almost surely, 2^{5551688733377} is an apocalyptic number.

It is an amenable number.

5551688733377 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551688733377 is an equidigital number, since it uses as much as digits as its factorization.

5551688733377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528000, while the sum is 68.

The spelling of 5551688733377 in words is "five trillion, five hundred fifty-one billion, six hundred eighty-eight million, seven hundred thirty-three thousand, three hundred seventy-seven".