5551009441 has 2 divisors, whose sum is σ = 5551009442. Its totient is φ = 5551009440.

The previous prime is 5551009433. The next prime is 5551009447. The reversal of 5551009441 is 1449001555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4368681216 + 1182328225 = 66096^2 + 34385^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551009441 - 2³ = 5551009433 is a prime.

It is a super-2 number, since 2×5551009441² = 61627411628142264962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5551009397 and 5551009406.

It is not a weakly prime, because it can be changed into another prime (5551009447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775504720 + 2775504721.

It is an arithmetic number, because the mean of its divisors is an integer number (2775504721).

Almost surely, 2^5551009441 is an apocalyptic number.

It is an amenable number.

5551009441 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551009441 is an equidigital number, since it uses as much as digits as its factorization.

5551009441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 5551009441 is about 74505.0967451221. The cubic root of 5551009441 is about 1770.6143867127.

The spelling of 5551009441 in words is "five billion, five hundred fifty-one million, nine thousand, four hundred forty-one".