56918203 has 2 divisors, whose sum is σ = 56918204. Its totient is φ = 56918202.

The previous prime is 56918171. The next prime is 56918219. The reversal of 56918203 is 30281965.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56918203 - 2⁵ = 56918171 is a prime.

It is not a weakly prime, because it can be changed into another prime (56918273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28459101 + 28459102.

It is an arithmetic number, because the mean of its divisors is an integer number (28459102).

Almost surely, 2^56918203 is an apocalyptic number.

56918203 is a deficient number, since it is larger than the sum of its proper divisors (1).

56918203 is an equidigital number, since it uses as much as digits as its factorization.

56918203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 56918203 is about 7544.4153517685. The cubic root of 56918203 is about 384.6659338597.

It can be divided in two parts, 56918 and 203, that added together give a square (57121 = 239²).

The spelling of 56918203 in words is "fifty-six million, nine hundred eighteen thousand, two hundred three".