5497778456 has 8 divisors (see below), whose sum is σ = 10308334620. Its totient is φ = 2748889224.

The previous prime is 5497778401. The next prime is 5497778467. The reversal of 5497778456 is 6548777945.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343611146 + ... + 343611161.

Almost surely, 2^5497778456 is an apocalyptic number.

It is an amenable number.

5497778456 is a deficient number, since it is larger than the sum of its proper divisors (4810556164).

5497778456 is a wasteful number, since it uses less digits than its factorization.

5497778456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687222313 (or 687222309 counting only the distinct ones).

The product of its digits is 59270400, while the sum is 62.

The square root of 5497778456 is about 74147.0057116267. The cubic root of 5497778456 is about 1764.9364743191.

The spelling of 5497778456 in words is "five billion, four hundred ninety-seven million, seven hundred seventy-eight thousand, four hundred fifty-six".