5540663 has 4 divisors (see below), whose sum is σ = 5562480. Its totient is φ = 5518848.

The previous prime is 5540659. The next prime is 5540683. The reversal of 5540663 is 3660455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5540663 - 2² = 5540659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540603) 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, 10523 + ... + 11036.

It is an arithmetic number, because the mean of its divisors is an integer number (1390620).

Almost surely, 2^5540663 is an apocalyptic number.

5540663 is a deficient number, since it is larger than the sum of its proper divisors (21817).

5540663 is a wasteful number, since it uses less digits than its factorization.

5540663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21816.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 5540663 is about 2353.8612958286. The cubic root of 5540663 is about 176.9513628906.

The spelling of 5540663 in words is "five million, five hundred forty thousand, six hundred sixty-three".