51712130 has 32 divisors (see below), whose sum is σ = 98962560. Its totient is φ = 19388160.

The previous prime is 51712121. The next prime is 51712163. The reversal of 51712130 is 3121715.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55811 + ... + 56729.

It is an arithmetic number, because the mean of its divisors is an integer number (3092580).

Almost surely, 2^51712130 is an apocalyptic number.

51712130 is a deficient number, since it is larger than the sum of its proper divisors (47250430).

51712130 is a wasteful number, since it uses less digits than its factorization.

51712130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 51712130 is about 7191.1146562963. The cubic root of 51712130 is about 372.5610728204.

Adding to 51712130 its reverse (3121715), we get a palindrome (54833845).

The spelling of 51712130 in words is "fifty-one million, seven hundred twelve thousand, one hundred thirty".