51598137 has 8 divisors (see below), whose sum is σ = 68940736. Its totient is φ = 34327152.

The previous prime is 51598133. The next prime is 51598187. The reversal of 51598137 is 73189515.

51598137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51598137 - 2² = 51598133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51598095 and 51598104.

It is not an unprimeable number, because it can be changed into a prime (51598133) 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 in 7 ways as a sum of consecutive naturals, for example, 16198 + ... + 19119.

It is an arithmetic number, because the mean of its divisors is an integer number (8617592).

Almost surely, 2^51598137 is an apocalyptic number.

It is an amenable number.

51598137 is a deficient number, since it is larger than the sum of its proper divisors (17342599).

51598137 is a wasteful number, since it uses less digits than its factorization.

51598137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35807.

The product of its digits is 37800, while the sum is 39.

The square root of 51598137 is about 7183.1843217336. The cubic root of 51598137 is about 372.2871164728.

The spelling of 51598137 in words is "fifty-one million, five hundred ninety-eight thousand, one hundred thirty-seven".