51603798 has 8 divisors (see below), whose sum is σ = 103207608. Its totient is φ = 17201264.

The previous prime is 51603781. The next prime is 51603803. The reversal of 51603798 is 89730615.

51603798 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.

51603798 is an admirable number.

It is a super-3 number, since 3×51603798³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 4300311 + ... + 4300322.

It is an arithmetic number, because the mean of its divisors is an integer number (12900951).

Almost surely, 2^51603798 is an apocalyptic number.

51603798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51603798 is a wasteful number, since it uses less digits than its factorization.

51603798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600638.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 51603798 is about 7183.5783562233. The cubic root of 51603798 is about 372.3007309197.

The spelling of 51603798 in words is "fifty-one million, six hundred three thousand, seven hundred ninety-eight".