51957203 has 2 divisors, whose sum is σ = 51957204. Its totient is φ = 51957202.

The previous prime is 51957197. The next prime is 51957233. The reversal of 51957203 is 30275915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51957203 - 2⁴ = 51957187 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51957203.

It is not a weakly prime, because it can be changed into another prime (51957233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25978601 + 25978602.

It is an arithmetic number, because the mean of its divisors is an integer number (25978602).

Almost surely, 2^51957203 is an apocalyptic number.

51957203 is a deficient number, since it is larger than the sum of its proper divisors (1).

51957203 is an equidigital number, since it uses as much as digits as its factorization.

51957203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 51957203 is about 7208.1345020747. The cubic root of 51957203 is about 373.1486899618.

The spelling of 51957203 in words is "fifty-one million, nine hundred fifty-seven thousand, two hundred three".