56147456 has 20 divisors (see below), whose sum is σ = 112186272. Its totient is φ = 28073472.

The previous prime is 56147449. The next prime is 56147471. The reversal of 56147456 is 65474165.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 54320 + ... + 55343.

Almost surely, 2^56147456 is an apocalyptic number.

It is an amenable number.

56147456 is a deficient number, since it is larger than the sum of its proper divisors (56038816).

56147456 is an equidigital number, since it uses as much as digits as its factorization.

56147456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109681 (or 109665 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 56147456 is about 7493.1606148541. The cubic root of 56147456 is about 382.9217436525.

The spelling of 56147456 in words is "fifty-six million, one hundred forty-seven thousand, four hundred fifty-six".