51337841 has 4 divisors (see below), whose sum is σ = 54357732. Its totient is φ = 48317952.

The previous prime is 51337837. The next prime is 51337861. The reversal of 51337841 is 14873315.

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 47554816 + 3783025 = 6896^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 51337841 - 2² = 51337837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51337798 and 51337807.

It is not an unprimeable number, because it can be changed into a prime (51337861) 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, 1509920 + ... + 1509953.

It is an arithmetic number, because the mean of its divisors is an integer number (13589433).

Almost surely, 2^51337841 is an apocalyptic number.

It is an amenable number.

51337841 is a deficient number, since it is larger than the sum of its proper divisors (3019891).

51337841 is a wasteful number, since it uses less digits than its factorization.

51337841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019890.

The product of its digits is 10080, while the sum is 32.

The square root of 51337841 is about 7165.0429866122. The cubic root of 51337841 is about 371.6600379101.

The spelling of 51337841 in words is "fifty-one million, three hundred thirty-seven thousand, eight hundred forty-one".