51799603 has 4 divisors (see below), whose sum is σ = 52777008. Its totient is φ = 50822200.

The previous prime is 51799577. The next prime is 51799609. The reversal of 51799603 is 30699715.

51799603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51799603 - 2⁹ = 51799091 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51799609) 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, 488623 + ... + 488728.

It is an arithmetic number, because the mean of its divisors is an integer number (13194252).

Almost surely, 2^51799603 is an apocalyptic number.

51799603 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

51799603 is a deficient number, since it is larger than the sum of its proper divisors (977405).

51799603 is an equidigital number, since it uses as much as digits as its factorization.

51799603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977404.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 51799603 is about 7197.1941060388. The cubic root of 51799603 is about 372.7710214777.

The spelling of 51799603 in words is "fifty-one million, seven hundred ninety-nine thousand, six hundred three".