51359941 has 4 divisors (see below), whose sum is σ = 54381132. Its totient is φ = 48338752.

The previous prime is 51359939. The next prime is 51359947. The reversal of 51359941 is 14995315.

It is a happy number.

51359941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14995315 = 5 ⋅2999063.

It can be written as a sum of positive squares in 2 ways, for example, as 48011041 + 3348900 = 6929^2 + 1830^2 .

It is not a de Polignac number, because 51359941 - 2¹ = 51359939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51359941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51359947) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1510570 + ... + 1510603.

It is an arithmetic number, because the mean of its divisors is an integer number (13595283).

Almost surely, 2^51359941 is an apocalyptic number.

It is an amenable number.

51359941 is a deficient number, since it is larger than the sum of its proper divisors (3021191).

51359941 is a wasteful number, since it uses less digits than its factorization.

51359941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021190.

The product of its digits is 24300, while the sum is 37.

The square root of 51359941 is about 7166.5850305428. The cubic root of 51359941 is about 371.7133612050.

The spelling of 51359941 in words is "fifty-one million, three hundred fifty-nine thousand, nine hundred forty-one".