56218744 has 16 divisors (see below), whose sum is σ = 105558120. Its totient is φ = 28069920.

The previous prime is 56218741. The next prime is 56218783. The reversal of 56218744 is 44781265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56218741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639 + ... + 10729.

Almost surely, 2^56218744 is an apocalyptic number.

It is an amenable number.

56218744 is a deficient number, since it is larger than the sum of its proper divisors (49339376).

56218744 is a wasteful number, since it uses less digits than its factorization.

56218744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9870 (or 9866 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 56218744 is about 7497.9159771232. The cubic root of 56218744 is about 383.0837348476.

It can be divided in two parts, 5621 and 8744, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 56218744 in words is "fifty-six million, two hundred eighteen thousand, seven hundred forty-four".