51394275 has 18 divisors (see below), whose sum is σ = 92053260. Its totient is φ = 27410160.

The previous prime is 51394267. The next prime is 51394283. The reversal of 51394275 is 57249315.

It is an interprime number because it is at equal distance from previous prime (51394267) and next prime (51394283).

It is not a de Polignac number, because 51394275 - 2³ = 51394267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 113985 + ... + 114434.

It is an arithmetic number, because the mean of its divisors is an integer number (5114070).

Almost surely, 2^51394275 is an apocalyptic number.

51394275 is a deficient number, since it is larger than the sum of its proper divisors (40658985).

51394275 is a wasteful number, since it uses less digits than its factorization.

51394275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228435 (or 228427 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 51394275 is about 7168.9800529782. The cubic root of 51394275 is about 371.7961725912.

The spelling of 51394275 in words is "fifty-one million, three hundred ninety-four thousand, two hundred seventy-five".