5646554 has 4 divisors (see below), whose sum is σ = 8469834. Its totient is φ = 2823276.

The previous prime is 5646551. The next prime is 5646577. The reversal of 5646554 is 4556465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4556465 = 5 ⋅911293.

It can be written as a sum of positive squares in only one way, i.e., 5640625 + 5929 = 2375^2 + 77^2 .

It is not an unprimeable number, because it can be changed into a prime (5646551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411637 + ... + 1411640.

Almost surely, 2^5646554 is an apocalyptic number.

5646554 is a deficient number, since it is larger than the sum of its proper divisors (2823280).

5646554 is a wasteful number, since it uses less digits than its factorization.

5646554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823279.

The product of its digits is 72000, while the sum is 35.

The square root of 5646554 is about 2376.2478826924. The cubic root of 5646554 is about 178.0715320797.

The spelling of 5646554 in words is "five million, six hundred forty-six thousand, five hundred fifty-four".