5540998 has 4 divisors (see below), whose sum is σ = 8311500. Its totient is φ = 2770498.

The previous prime is 5540993. The next prime is 5541013. The reversal of 5540998 is 8990455.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5540998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385248 + ... + 1385251.

It is an arithmetic number, because the mean of its divisors is an integer number (2077875).

Almost surely, 2^5540998 is an apocalyptic number.

5540998 is a deficient number, since it is larger than the sum of its proper divisors (2770502).

5540998 is a wasteful number, since it uses less digits than its factorization.

5540998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770501.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 5540998 is about 2353.9324544260. The cubic root of 5540998 is about 176.9549291011.

The spelling of 5540998 in words is "five million, five hundred forty thousand, nine hundred ninety-eight".