56726203 has 2 divisors, whose sum is σ = 56726204. Its totient is φ = 56726202.

The previous prime is 56726177. The next prime is 56726209. The reversal of 56726203 is 30262765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56726203 - 2⁵ = 56726171 is a prime.

It is not a weakly prime, because it can be changed into another prime (56726209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28363101 + 28363102.

It is an arithmetic number, because the mean of its divisors is an integer number (28363102).

Almost surely, 2^56726203 is an apocalyptic number.

56726203 is a deficient number, since it is larger than the sum of its proper divisors (1).

56726203 is an equidigital number, since it uses as much as digits as its factorization.

56726203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 56726203 is about 7531.6799586812. The cubic root of 56726203 is about 384.2329203044.

Adding to 56726203 its reverse (30262765), we get a palindrome (86988968).

The spelling of 56726203 in words is "fifty-six million, seven hundred twenty-six thousand, two hundred three".