56203473 has 4 divisors (see below), whose sum is σ = 74937968. Its totient is φ = 37468980.

The previous prime is 56203453. The next prime is 56203519. The reversal of 56203473 is 37430265.

56203473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56203473 - 2¹⁰ = 56202449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56203473.

It is not an unprimeable number, because it can be changed into a prime (56203453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9367243 + ... + 9367248.

It is an arithmetic number, because the mean of its divisors is an integer number (18734492).

Almost surely, 2^56203473 is an apocalyptic number.

It is an amenable number.

56203473 is a deficient number, since it is larger than the sum of its proper divisors (18734495).

56203473 is a wasteful number, since it uses less digits than its factorization.

56203473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18734494.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 56203473 is about 7496.8975583237. The cubic root of 56203473 is about 383.0490453409.

The spelling of 56203473 in words is "fifty-six million, two hundred three thousand, four hundred seventy-three".