56257744 has 10 divisors (see below), whose sum is σ = 108999410. Its totient is φ = 28128864.

The previous prime is 56257687. The next prime is 56257757. The reversal of 56257744 is 44775265.

56257744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 56250000 + 7744 = 7500^2 + 88^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56257697 and 56257706.

It is a congruent number.

It is an unprimeable number.

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, 1758039 + ... + 1758070.

It is an arithmetic number, because the mean of its divisors is an integer number (10899941).

Almost surely, 2^56257744 is an apocalyptic number.

It is an amenable number.

56257744 is a deficient number, since it is larger than the sum of its proper divisors (52741666).

56257744 is a wasteful number, since it uses less digits than its factorization.

56257744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516117 (or 3516111 counting only the distinct ones).

The product of its digits is 235200, while the sum is 40.

The square root of 56257744 is about 7500.5162488991. The cubic root of 56257744 is about 383.1722985018.

It can be divided in two parts, 5625 and 7744, that multiplied together give a square (43560000 = 6600²).

The spelling of 56257744 in words is "fifty-six million, two hundred fifty-seven thousand, seven hundred forty-four".