51740395 has 32 divisors (see below), whose sum is σ = 75018240. Its totient is φ = 33505920.

The previous prime is 51740389. The next prime is 51740407. The reversal of 51740395 is 59304715.

51740395 = 825² + 826² + ... + 894².

It is not a de Polignac number, because 51740395 - 2¹¹ = 51738347 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 51740395.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46101 + ... + 47209.

It is an arithmetic number, because the mean of its divisors is an integer number (2344320).

Almost surely, 2^51740395 is an apocalyptic number.

51740395 is a deficient number, since it is larger than the sum of its proper divisors (23277845).

51740395 is a wasteful number, since it uses less digits than its factorization.

51740395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 51740395 is about 7193.0796603402. The cubic root of 51740395 is about 372.6289390426.

The spelling of 51740395 in words is "fifty-one million, seven hundred forty thousand, three hundred ninety-five".