51365395 has 8 divisors (see below), whose sum is σ = 61859520. Its totient is φ = 40944960.

The previous prime is 51365389. The next prime is 51365401. The reversal of 51365395 is 59356315.

51365395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51365389) and next prime (51365401).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-51365395 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16875 + ... + 19684.

It is an arithmetic number, because the mean of its divisors is an integer number (7732440).

Almost surely, 2^51365395 is an apocalyptic number.

51365395 is a deficient number, since it is larger than the sum of its proper divisors (10494125).

51365395 is a wasteful number, since it uses less digits than its factorization.

51365395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36845.

The product of its digits is 60750, while the sum is 37.

The square root of 51365395 is about 7166.9655364038. The cubic root of 51365395 is about 371.7265183652.

The spelling of 51365395 in words is "fifty-one million, three hundred sixty-five thousand, three hundred ninety-five".