51294841 has 4 divisors (see below), whose sum is σ = 55240612. Its totient is φ = 47349072.

The previous prime is 51294833. The next prime is 51294847. The reversal of 51294841 is 14849215.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6739216 + 44555625 = 2596^2 + 6675^2 .

It is a cyclic number.

It is not a de Polignac number, because 51294841 - 2³ = 51294833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51294797 and 51294806.

It is not an unprimeable number, because it can be changed into a prime (51294847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1972866 + ... + 1972891.

It is an arithmetic number, because the mean of its divisors is an integer number (13810153).

Almost surely, 2^51294841 is an apocalyptic number.

It is an amenable number.

51294841 is a deficient number, since it is larger than the sum of its proper divisors (3945771).

51294841 is a wasteful number, since it uses less digits than its factorization.

51294841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945770.

The product of its digits is 11520, while the sum is 34.

The square root of 51294841 is about 7162.0416781809. The cubic root of 51294841 is about 371.5562428320.

The spelling of 51294841 in words is "fifty-one million, two hundred ninety-four thousand, eight hundred forty-one".