5551080749 has 2 divisors, whose sum is σ = 5551080750. Its totient is φ = 5551080748.

The previous prime is 5551080739. The next prime is 5551080761. The reversal of 5551080749 is 9470801555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5447916100 + 103164649 = 73810^2 + 10157^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551080749 - 2¹² = 5551076653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551080739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775540374 + 2775540375.

It is an arithmetic number, because the mean of its divisors is an integer number (2775540375).

Almost surely, 2^5551080749 is an apocalyptic number.

It is an amenable number.

5551080749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551080749 is an equidigital number, since it uses as much as digits as its factorization.

5551080749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 5551080749 is about 74505.5752880279. The cubic root of 5551080749 is about 1770.6219684226.

The spelling of 5551080749 in words is "five billion, five hundred fifty-one million, eighty thousand, seven hundred forty-nine".