56945782 has 4 divisors (see below), whose sum is σ = 85418676. Its totient is φ = 28472890.

The previous prime is 56945773. The next prime is 56945783. The reversal of 56945782 is 28754965.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28754965 = 5 ⋅5750993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56945783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14236444 + ... + 14236447.

It is an arithmetic number, because the mean of its divisors is an integer number (21354669).

Almost surely, 2^56945782 is an apocalyptic number.

56945782 is a deficient number, since it is larger than the sum of its proper divisors (28472894).

56945782 is a wasteful number, since it uses less digits than its factorization.

56945782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28472893.

The product of its digits is 604800, while the sum is 46.

The square root of 56945782 is about 7546.2429062415. The cubic root of 56945782 is about 384.7280521760.

It can be divided in two parts, 5694 and 5782, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 56945782 in words is "fifty-six million, nine hundred forty-five thousand, seven hundred eighty-two".