51771230 has 32 divisors (see below), whose sum is σ = 106750656. Its totient is φ = 17708544.

The previous prime is 51771227. The next prime is 51771253. The reversal of 51771230 is 3217715.

It is a self number, because there is not a number n which added to its sum of digits gives 51771230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52502 + ... + 53478.

It is an arithmetic number, because the mean of its divisors is an integer number (3335958).

Almost surely, 2^51771230 is an apocalyptic number.

51771230 is an abundant number, since it is smaller than the sum of its proper divisors (54979426).

51771230 is a wasteful number, since it uses less digits than its factorization.

51771230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748.

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

The square root of 51771230 is about 7195.2227206668. Note that the first 3 decimals coincide. The cubic root of 51771230 is about 372.7029478294.

Adding to 51771230 its reverse (3217715), we get a palindrome (54988945).

The spelling of 51771230 in words is "fifty-one million, seven hundred seventy-one thousand, two hundred thirty".