56782103 has 4 divisors (see below), whose sum is σ = 64893840. Its totient is φ = 48670368.

The previous prime is 56782093. The next prime is 56782109. The reversal of 56782103 is 30128765.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30128765 = 5 ⋅6025753.

It is a cyclic number.

It is not a de Polignac number, because 56782103 - 2¹⁶ = 56716567 is a prime.

It is a super-2 number, since 2×56782103² = 6448414442205218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56782103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56782109) 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, 4055858 + ... + 4055871.

It is an arithmetic number, because the mean of its divisors is an integer number (16223460).

Almost surely, 2^56782103 is an apocalyptic number.

56782103 is a deficient number, since it is larger than the sum of its proper divisors (8111737).

56782103 is an equidigital number, since it uses as much as digits as its factorization.

56782103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8111736.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 56782103 is about 7535.3900363551. The cubic root of 56782103 is about 384.3590910903.

The spelling of 56782103 in words is "fifty-six million, seven hundred eighty-two thousand, one hundred three".