5540387 has 2 divisors, whose sum is σ = 5540388. Its totient is φ = 5540386.

The previous prime is 5540377. The next prime is 5540393. The reversal of 5540387 is 7830455.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5540387 - 2¹⁰ = 5539363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5540347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770193 + 2770194.

It is an arithmetic number, because the mean of its divisors is an integer number (2770194).

Almost surely, 2^5540387 is an apocalyptic number.

5540387 is a deficient number, since it is larger than the sum of its proper divisors (1).

5540387 is an equidigital number, since it uses as much as digits as its factorization.

5540387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 5540387 is about 2353.8026680247. The cubic root of 5540387 is about 176.9484246509.

The spelling of 5540387 in words is "five million, five hundred forty thousand, three hundred eighty-seven".