51375295 has 4 divisors (see below), whose sum is σ = 61650360. Its totient is φ = 41100232.

The previous prime is 51375287. The next prime is 51375299. The reversal of 51375295 is 59257315.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51375295 - 2³ = 51375287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51375299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5137525 + ... + 5137534.

It is an arithmetic number, because the mean of its divisors is an integer number (15412590).

Almost surely, 2^51375295 is an apocalyptic number.

51375295 is a deficient number, since it is larger than the sum of its proper divisors (10275065).

51375295 is a wasteful number, since it uses less digits than its factorization.

51375295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10275064.

The product of its digits is 47250, while the sum is 37.

The square root of 51375295 is about 7167.6561719993. The cubic root of 51375295 is about 371.7503986198.

The spelling of 51375295 in words is "fifty-one million, three hundred seventy-five thousand, two hundred ninety-five".