56782545 has 32 divisors (see below), whose sum is σ = 98734080. Its totient is φ = 27760320.

The previous prime is 56782529. The next prime is 56782547. The reversal of 56782545 is 54528765.

It is not a de Polignac number, because 56782545 - 2⁴ = 56782529 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56782497 and 56782506.

It is not an unprimeable number, because it can be changed into a prime (56782547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5622 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (3085440).

Almost surely, 2^56782545 is an apocalyptic number.

It is an amenable number.

56782545 is a deficient number, since it is larger than the sum of its proper divisors (41951535).

56782545 is a wasteful number, since it uses less digits than its factorization.

56782545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485.

The product of its digits is 336000, while the sum is 42.

The square root of 56782545 is about 7535.4193645742. The cubic root of 56782545 is about 384.3600883897.

The spelling of 56782545 in words is "fifty-six million, seven hundred eighty-two thousand, five hundred forty-five".