51337816 has 8 divisors (see below), whose sum is σ = 96258420. Its totient is φ = 25668904.

The previous prime is 51337813. The next prime is 51337837. The reversal of 51337816 is 61873315.

51337816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51337813) 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 as a sum of consecutive naturals, namely, 3208606 + ... + 3208621.

Almost surely, 2^51337816 is an apocalyptic number.

It is an amenable number.

51337816 is a deficient number, since it is larger than the sum of its proper divisors (44920604).

51337816 is a wasteful number, since it uses less digits than its factorization.

51337816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417233 (or 6417229 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 51337816 is about 7165.0412420306. The cubic root of 51337816 is about 371.6599775810.

The spelling of 51337816 in words is "fifty-one million, three hundred thirty-seven thousand, eight hundred sixteen".