51017275 has 12 divisors (see below), whose sum is σ = 63366232. Its totient is φ = 40746240.

The previous prime is 51017273. The next prime is 51017347. The reversal of 51017275 is 57271015.

It is not a de Polignac number, because 51017275 - 2¹ = 51017273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51017273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18379 + ... + 20971.

Almost surely, 2^51017275 is an apocalyptic number.

51017275 is a deficient number, since it is larger than the sum of its proper divisors (12348957).

51017275 is a wasteful number, since it uses less digits than its factorization.

51017275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 51017275 is about 7142.6378180613. The cubic root of 51017275 is about 370.8848435229.

The spelling of 51017275 in words is "fifty-one million, seventeen thousand, two hundred seventy-five".