56501203 has 4 divisors (see below), whose sum is σ = 61637688. Its totient is φ = 51364720.

The previous prime is 56501143. The next prime is 56501213. The reversal of 56501203 is 30210565.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-56501203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56501213) 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, 2568226 + ... + 2568247.

It is an arithmetic number, because the mean of its divisors is an integer number (15409422).

Almost surely, 2^56501203 is an apocalyptic number.

56501203 is a deficient number, since it is larger than the sum of its proper divisors (5136485).

56501203 is a wasteful number, since it uses less digits than its factorization.

56501203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136484.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 56501203 is about 7516.7282111302. The cubic root of 56501203 is about 383.7242373252.

Adding to 56501203 its reverse (30210565), we get a palindrome (86711768).

The spelling of 56501203 in words is "fifty-six million, five hundred one thousand, two hundred three".