51271030 has 8 divisors (see below), whose sum is σ = 92287872. Its totient is φ = 20508408.

The previous prime is 51271021. The next prime is 51271057. The reversal of 51271030 is 3017215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51270989 and 51271007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563542 + ... + 2563561.

It is an arithmetic number, because the mean of its divisors is an integer number (11535984).

Almost surely, 2^51271030 is an apocalyptic number.

51271030 is a deficient number, since it is larger than the sum of its proper divisors (41016842).

51271030 is a wasteful number, since it uses less digits than its factorization.

51271030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127110.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 51271030 is about 7160.3791799038. The cubic root of 51271030 is about 371.4987419552.

Adding to 51271030 its reverse (3017215), we get a palindrome (54288245).

The spelling of 51271030 in words is "fifty-one million, two hundred seventy-one thousand, thirty".