5540066 has 8 divisors (see below), whose sum is σ = 9497280. Its totient is φ = 2374308.

The previous prime is 5540063. The next prime is 5540069. The reversal of 5540066 is 6600455.

It is an interprime number because it is at equal distance from previous prime (5540063) and next prime (5540069).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5540063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197846 + ... + 197873.

It is an arithmetic number, because the mean of its divisors is an integer number (1187160).

Almost surely, 2^5540066 is an apocalyptic number.

5540066 is a deficient number, since it is larger than the sum of its proper divisors (3957214).

5540066 is a wasteful number, since it uses less digits than its factorization.

5540066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395728.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5540066 is about 2353.7344795027. The cubic root of 5540066 is about 176.9450072277.

The spelling of 5540066 in words is "five million, five hundred forty thousand, sixty-six".