5495940581 has 2 divisors, whose sum is σ = 5495940582. Its totient is φ = 5495940580.

The previous prime is 5495940547. The next prime is 5495940649. The reversal of 5495940581 is 1850495945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2938615681 + 2557324900 = 54209^2 + 50570^2 .

It is a cyclic number.

It is not a de Polignac number, because 5495940581 - 2²⁶ = 5428831717 is a prime.

It is a super-2 number, since 2×5495940581² = 60410725739765235122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5495943581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2747970290 + 2747970291.

It is an arithmetic number, because the mean of its divisors is an integer number (2747970291).

Almost surely, 2^5495940581 is an apocalyptic number.

It is an amenable number.

5495940581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5495940581 is an equidigital number, since it uses as much as digits as its factorization.

5495940581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 50.

The square root of 5495940581 is about 74134.6112217499. The cubic root of 5495940581 is about 1764.7397831059.

The spelling of 5495940581 in words is "five billion, four hundred ninety-five million, nine hundred forty thousand, five hundred eighty-one".