51132695 has 4 divisors (see below), whose sum is σ = 61359240. Its totient is φ = 40906152.

The previous prime is 51132689. The next prime is 51132707. The reversal of 51132695 is 59623115.

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 51132695 - 2²⁰ = 50084119 is a prime.

It is a super-2 number, since 2×51132695² = 5229104995926050, which contains 22 as substring.

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, 5113265 + ... + 5113274.

It is an arithmetic number, because the mean of its divisors is an integer number (15339810).

Almost surely, 2^51132695 is an apocalyptic number.

51132695 is a deficient number, since it is larger than the sum of its proper divisors (10226545).

51132695 is a wasteful number, since it uses less digits than its factorization.

51132695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10226544.

The product of its digits is 8100, while the sum is 32.

The square root of 51132695 is about 7150.7129015225. The cubic root of 51132695 is about 371.1643258942.

The spelling of 51132695 in words is "fifty-one million, one hundred thirty-two thousand, six hundred ninety-five".