5499966 has 32 divisors (see below), whose sum is σ = 11561760. Its totient is φ = 1741824.

The previous prime is 5499961. The next prime is 5499971. The reversal of 5499966 is 6699945.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5499961) and next prime (5499971).

It is a fibodiv number, since the Fibonacci-like sequence with seeds 54 and 99966 contains 5499966 itself.

Its product of digits (524880) is a multiple of the sum of its prime divisors (540).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5499961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12486 + ... + 12918.

It is an arithmetic number, because the mean of its divisors is an integer number (361305).

Almost surely, 2^5499966 is an apocalyptic number.

5499966 is an abundant number, since it is smaller than the sum of its proper divisors (6061794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5499966 is a wasteful number, since it uses less digits than its factorization.

5499966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its digits is 524880, while the sum is 48.

The square root of 5499966 is about 2345.2006310762. The cubic root of 5499966 is about 176.5170530327.

The spelling of 5499966 in words is "five million, four hundred ninety-nine thousand, nine hundred sixty-six".