5546646 has 24 divisors (see below), whose sum is σ = 13734864. Its totient is φ = 1584720.

The previous prime is 5546623. The next prime is 5546647. The reversal of 5546646 is 6466455.

It is a happy number.

5546646 is a `hidden beast` number, since 5 + 5 + 4 + 6 + 646 = 666.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5546646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5546647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21885 + ... + 22136.

It is an arithmetic number, because the mean of its divisors is an integer number (572286).

Almost surely, 2^5546646 is an apocalyptic number.

5546646 is an abundant number, since it is smaller than the sum of its proper divisors (8188218).

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

5546646 is a wasteful number, since it uses less digits than its factorization.

5546646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44036 (or 44033 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 5546646 is about 2355.1318434432. The cubic root of 5546646 is about 177.0150327173.

Adding to 5546646 its product of digits (86400), we get a triangular number (5633046 = T₃₃₅₆).

The spelling of 5546646 in words is "five million, five hundred forty-six thousand, six hundred forty-six".