51396695 has 16 divisors (see below), whose sum is σ = 74634048. Its totient is φ = 33169920.

The previous prime is 51396673. The next prime is 51396703. The reversal of 51396695 is 59669315.

It is a de Polignac number, because none of the positive numbers 2^k-51396695 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42596 + ... + 43785.

It is an arithmetic number, because the mean of its divisors is an integer number (4664628).

Almost surely, 2^51396695 is an apocalyptic number.

51396695 is a deficient number, since it is larger than the sum of its proper divisors (23237353).

51396695 is a wasteful number, since it uses less digits than its factorization.

51396695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86410.

The product of its digits is 218700, while the sum is 44.

The square root of 51396695 is about 7169.1488337180. The cubic root of 51396695 is about 371.8020080830.

The spelling of 51396695 in words is "fifty-one million, three hundred ninety-six thousand, six hundred ninety-five".