51775275 has 24 divisors (see below), whose sum is σ = 87012784. Its totient is φ = 27158400.

The previous prime is 51775271. The next prime is 51775289. The reversal of 51775275 is 57257715.

It is not a de Polignac number, because 51775275 - 2² = 51775271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51775271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1084 + ... + 10233.

Almost surely, 2^51775275 is an apocalyptic number.

51775275 is a deficient number, since it is larger than the sum of its proper divisors (35237509).

51775275 is a wasteful number, since it uses less digits than its factorization.

51775275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11391 (or 11386 counting only the distinct ones).

The product of its digits is 85750, while the sum is 39.

The square root of 51775275 is about 7195.5038044601. The cubic root of 51775275 is about 372.7126542768.

The spelling of 51775275 in words is "fifty-one million, seven hundred seventy-five thousand, two hundred seventy-five".