5578617456 has 60 divisors (see below), whose sum is σ = 16530763392. Its totient is φ = 1750153728.

The previous prime is 5578617437. The next prime is 5578617559. The reversal of 5578617456 is 6547168755.

It is a happy number.

5578617456 is a `hidden beast` number, since 5 + 578 + 6 + 17 + 4 + 56 = 666.

It is a super-2 number, since 2×5578617456² = 62241945440775823872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1136976 + ... + 1141871.

Almost surely, 2^5578617456 is an apocalyptic number.

It is an amenable number.

5578617456 is an abundant number, since it is smaller than the sum of its proper divisors (10952145936).

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

5578617456 is a wasteful number, since it uses less digits than its factorization.

5578617456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278878 (or 2278869 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 54.

The square root of 5578617456 is about 74690.1429641154. The cubic root of 5578617456 is about 1773.5449246583.

The spelling of 5578617456 in words is "five billion, five hundred seventy-eight million, six hundred seventeen thousand, four hundred fifty-six".