56781348 has 48 divisors (see below), whose sum is σ = 150198720. Its totient is φ = 16550784.

The previous prime is 56781317. The next prime is 56781353. The reversal of 56781348 is 84318765.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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 in 15 ways as a sum of consecutive naturals, for example, 6615 + ... + 12542.

It is an arithmetic number, because the mean of its divisors is an integer number (3129140).

Almost surely, 2^56781348 is an apocalyptic number.

It is an amenable number.

56781348 is an abundant number, since it is smaller than the sum of its proper divisors (93417372).

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

56781348 is a wasteful number, since it uses less digits than its factorization.

56781348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19196 (or 19194 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 56781348 is about 7535.3399392463. The cubic root of 56781348 is about 384.3573875465.

The spelling of 56781348 in words is "fifty-six million, seven hundred eighty-one thousand, three hundred forty-eight".