51771203 has 4 divisors (see below), whose sum is σ = 56477688. Its totient is φ = 47064720.

The previous prime is 51771197. The next prime is 51771217. The reversal of 51771203 is 30217715.

51771203 is nontrivially palindromic in base 8.

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

It is a cyclic number.

It is not a de Polignac number, because 51771203 - 2⁸ = 51770947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51771253) 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, 2353226 + ... + 2353247.

It is an arithmetic number, because the mean of its divisors is an integer number (14119422).

Almost surely, 2^51771203 is an apocalyptic number.

51771203 is a deficient number, since it is larger than the sum of its proper divisors (4706485).

51771203 is a wasteful number, since it uses less digits than its factorization.

51771203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706484.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 51771203 is about 7195.2208444217. The cubic root of 51771203 is about 372.7028830380.

Adding to 51771203 its reverse (30217715), we get a palindrome (81988918).

The spelling of 51771203 in words is "fifty-one million, seven hundred seventy-one thousand, two hundred three".