51798430 has 8 divisors (see below), whose sum is σ = 93237192. Its totient is φ = 20719368.

The previous prime is 51798419. The next prime is 51798433. The reversal of 51798430 is 3489715.

51798430 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 a self number, because there is not a number n which added to its sum of digits gives 51798430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51798433) 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 3 ways as a sum of consecutive naturals, for example, 2589912 + ... + 2589931.

It is an arithmetic number, because the mean of its divisors is an integer number (11654649).

Almost surely, 2^51798430 is an apocalyptic number.

51798430 is a deficient number, since it is larger than the sum of its proper divisors (41438762).

51798430 is a wasteful number, since it uses less digits than its factorization.

51798430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5179850.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 51798430 is about 7197.1126154869. The cubic root of 51798430 is about 372.7682076614.

The spelling of 51798430 in words is "fifty-one million, seven hundred ninety-eight thousand, four hundred thirty".