56872303 has 4 divisors (see below), whose sum is σ = 58082400. Its totient is φ = 55662208.

The previous prime is 56872297. The next prime is 56872357. The reversal of 56872303 is 30327865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30327865 = 5 ⋅6065573.

It is a cyclic number.

It is not a de Polignac number, because 56872303 - 2⁹ = 56871791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56872373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604978 + ... + 605071.

It is an arithmetic number, because the mean of its divisors is an integer number (14520600).

Almost surely, 2^56872303 is an apocalyptic number.

56872303 is a deficient number, since it is larger than the sum of its proper divisors (1210097).

56872303 is a wasteful number, since it uses less digits than its factorization.

56872303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210096.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 56872303 is about 7541.3727530205. The cubic root of 56872303 is about 384.5625052337.

It can be divided in two parts, 56872 and 303, that added together give a palindrome (57175).

The spelling of 56872303 in words is "fifty-six million, eight hundred seventy-two thousand, three hundred three".