5549990456 has 16 divisors (see below), whose sum is σ = 10416168000. Its totient is φ = 2772345664.

The previous prime is 5549990443. The next prime is 5549990483. The reversal of 5549990456 is 6540999455.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322280 + ... + 339063.

It is an arithmetic number, because the mean of its divisors is an integer number (651010500).

Almost surely, 2^5549990456 is an apocalyptic number.

It is an amenable number.

5549990456 is a deficient number, since it is larger than the sum of its proper divisors (4866177544).

5549990456 is a wasteful number, since it uses less digits than its factorization.

5549990456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662398 (or 662394 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 56.

The square root of 5549990456 is about 74498.2580735953. The cubic root of 5549990456 is about 1770.5060376559.

The spelling of 5549990456 in words is "five billion, five hundred forty-nine million, nine hundred ninety thousand, four hundred fifty-six".