56778248 has 16 divisors (see below), whose sum is σ = 107808000. Its totient is φ = 28029456.

The previous prime is 56778247. The next prime is 56778257. The reversal of 56778248 is 84287765.

It is not an unprimeable number, because it can be changed into a prime (56778247) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 44288 + ... + 45551.

It is an arithmetic number, because the mean of its divisors is an integer number (6738000).

Almost surely, 2^56778248 is an apocalyptic number.

It is an amenable number.

56778248 is a deficient number, since it is larger than the sum of its proper divisors (51029752).

56778248 is a wasteful number, since it uses less digits than its factorization.

56778248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89924 (or 89920 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 56778248 is about 7535.1342390166. The cubic root of 56778248 is about 384.3503927050.

The spelling of 56778248 in words is "fifty-six million, seven hundred seventy-eight thousand, two hundred forty-eight".