51337879 has 4 divisors (see below), whose sum is σ = 52104184. Its totient is φ = 50571576.

The previous prime is 51337877. The next prime is 51337883. The reversal of 51337879 is 97873315.

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

It is a cyclic number.

It is not a de Polignac number, because 51337879 - 2¹ = 51337877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51337877) 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, 383052 + ... + 383185.

It is an arithmetic number, because the mean of its divisors is an integer number (13026046).

Almost surely, 2^51337879 is an apocalyptic number.

51337879 is a deficient number, since it is larger than the sum of its proper divisors (766305).

51337879 is an equidigital number, since it uses as much as digits as its factorization.

51337879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766304.

The product of its digits is 158760, while the sum is 43.

The square root of 51337879 is about 7165.0456383752. The cubic root of 51337879 is about 371.6601296104.

The spelling of 51337879 in words is "fifty-one million, three hundred thirty-seven thousand, eight hundred seventy-nine".