51339795 has 32 divisors (see below), whose sum is σ = 92316672. Its totient is φ = 24173952.

The previous prime is 51339793. The next prime is 51339797. The reversal of 51339795 is 59793315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51339793) and next prime (51339797).

It is not a de Polignac number, because 51339795 - 2¹ = 51339793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51339793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1239 + ... + 10208.

It is an arithmetic number, because the mean of its divisors is an integer number (2884896).

Almost surely, 2^51339795 is an apocalyptic number.

51339795 is a deficient number, since it is larger than the sum of its proper divisors (40976877).

51339795 is a wasteful number, since it uses less digits than its factorization.

51339795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11491.

The product of its digits is 127575, while the sum is 42.

The square root of 51339795 is about 7165.1793417890. The cubic root of 51339795 is about 371.6647531746.

The spelling of 51339795 in words is "fifty-one million, three hundred thirty-nine thousand, seven hundred ninety-five".