5533440061 has 2 divisors, whose sum is σ = 5533440062. Its totient is φ = 5533440060.

The previous prime is 5533440043. The next prime is 5533440071. The reversal of 5533440061 is 1600443355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4559625625 + 973814436 = 67525^2 + 31206^2 .

It is a cyclic number.

It is not a de Polignac number, because 5533440061 - 2¹⁵ = 5533407293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5533440071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2766720030 + 2766720031.

It is an arithmetic number, because the mean of its divisors is an integer number (2766720031).

Almost surely, 2^5533440061 is an apocalyptic number.

It is an amenable number.

5533440061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5533440061 is an equidigital number, since it uses as much as digits as its factorization.

5533440061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 5533440061 is about 74387.0960651106. The cubic root of 5533440061 is about 1768.7443679627.

The spelling of 5533440061 in words is "five billion, five hundred thirty-three million, four hundred forty thousand, sixty-one".