56155744 has 12 divisors (see below), whose sum is σ = 110556684. Its totient is φ = 28077856.

The previous prime is 56155739. The next prime is 56155747. The reversal of 56155744 is 44755165.

It is a happy number.

56155744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56155747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 877402 + ... + 877465.

It is an arithmetic number, because the mean of its divisors is an integer number (9213057).

Almost surely, 2^56155744 is an apocalyptic number.

It is an amenable number.

56155744 is a deficient number, since it is larger than the sum of its proper divisors (54400940).

56155744 is a wasteful number, since it uses less digits than its factorization.

56155744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754877 (or 1754869 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 56155744 is about 7493.7136321052. The cubic root of 56155744 is about 382.9405839200.

The spelling of 56155744 in words is "fifty-six million, one hundred fifty-five thousand, seven hundred forty-four".