56503843 has 8 divisors (see below), whose sum is σ = 62240256. Its totient is φ = 50867400.

The previous prime is 56503841. The next prime is 56503871. The reversal of 56503843 is 34830565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56503843 - 2¹ = 56503841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56503799 and 56503808.

It is not an unprimeable number, because it can be changed into a prime (56503841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23803 + ... + 26068.

It is an arithmetic number, because the mean of its divisors is an integer number (7780032).

Almost surely, 2^56503843 is an apocalyptic number.

56503843 is a deficient number, since it is larger than the sum of its proper divisors (5736413).

56503843 is a wasteful number, since it uses less digits than its factorization.

56503843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49985.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 56503843 is about 7516.9038173972. The cubic root of 56503843 is about 383.7302136947.

The spelling of 56503843 in words is "fifty-six million, five hundred three thousand, eight hundred forty-three".