5540406533 has 2 divisors, whose sum is σ = 5540406534. Its totient is φ = 5540406532.

The previous prime is 5540406511. The next prime is 5540406541. The reversal of 5540406533 is 3356040455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5517815524 + 22591009 = 74282^2 + 4753^2 .

It is a cyclic number.

It is not a de Polignac number, because 5540406533 - 2²⁴ = 5523629317 is a prime.

It is a super-2 number, since 2×5540406533² = 61392209101818160178, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5540406493 and 5540406502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5540406503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770203266 + 2770203267.

It is an arithmetic number, because the mean of its divisors is an integer number (2770203267).

Almost surely, 2^5540406533 is an apocalyptic number.

It is an amenable number.

5540406533 is a deficient number, since it is larger than the sum of its proper divisors (1).

5540406533 is an equidigital number, since it uses as much as digits as its factorization.

5540406533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 5540406533 is about 74433.9071458700. The cubic root of 5540406533 is about 1769.4863259848.

Adding to 5540406533 its reverse (3356040455), we get a palindrome (8896446988).

The spelling of 5540406533 in words is "five billion, five hundred forty million, four hundred six thousand, five hundred thirty-three".