51820598 has 16 divisors (see below), whose sum is σ = 79387776. Its totient is φ = 25362240.

The previous prime is 51820589. The next prime is 51820627. The reversal of 51820598 is 89502815.

51820598 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27515 + ... + 29337.

It is an arithmetic number, because the mean of its divisors is an integer number (4961736).

Almost surely, 2^51820598 is an apocalyptic number.

51820598 is a deficient number, since it is larger than the sum of its proper divisors (27567178).

51820598 is a wasteful number, since it uses less digits than its factorization.

51820598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 51820598 is about 7198.6525127971. The cubic root of 51820598 is about 372.8213775295.

The spelling of 51820598 in words is "fifty-one million, eight hundred twenty thousand, five hundred ninety-eight".