5546639428 has 24 divisors (see below), whose sum is σ = 11049433920. Its totient is φ = 2411581920.

The previous prime is 5546639411. The next prime is 5546639437. The reversal of 5546639428 is 8249366455.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2739423 + ... + 2741446.

It is an arithmetic number, because the mean of its divisors is an integer number (460393080).

Almost surely, 2^5546639428 is an apocalyptic number.

It is an amenable number.

5546639428 is a deficient number, since it is larger than the sum of its proper divisors (5502794492).

5546639428 is a wasteful number, since it uses less digits than its factorization.

5546639428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480907 (or 5480905 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 52.

The square root of 5546639428 is about 74475.7640309920. The cubic root of 5546639428 is about 1770.1496280457.

The spelling of 5546639428 in words is "five billion, five hundred forty-six million, six hundred thirty-nine thousand, four hundred twenty-eight".